Hallucinator - Hammerhead

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2. (Med.) The perception of objects which have no reality, or of sensations which have no corresponding external cause, arising from disorder of the nervous system, as in delirium tremens; delusion.
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Hallucinations are always evidence of cerebral derangement and are common phenomena of insanity. W. A. Hammond.
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Hallucinator (hăllūsĭnātẽr), n. [L.] One whose judgment and acts are affected by hallucinations; one who errs on account of his hallucinations. N. Brit. Rev.
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Hallucinatory (-nȧt�r�), a. Partaking of, having the character of, or tending to produce, hallucinations; as, hallucinatory visions.
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hallucinogen n. A substance capable of producing hallucinations when ingested; a hallucinogenic substance; as, LSD is a powerful hallucinogen.
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hallucinogenic adj. 1. capable of producing hallucinations; as, LSD is a powerful hallucinogenic drug.
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Hallux (hăllŭks), n. [NL., fr. L. hallex, allex.] (Anat.) The first, or preaxial, digit of the hind limb, corresponding to the pollux in the fore limb; the great toe; the hind toe of birds.
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hallway n. an interior passage or corridor in a building, onto which rooms open.
Syn. -- hall.
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Halm (h�m), n. (Bot.) Same as .
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Halma (hălmȧ), n. [NL., fr. Gr. alma, fr. allesqai to leap.] (Greek Antiq.) The long jump, with weights in the hands, -- the most important of the exercises of the Pentathlon.
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Halma (hălmȧ), n. A game played on a board having 256 squares, by two persons with 19 men each, or by four with 13 men each, starting from different corners and striving to place each his own set of men in a corresponding position in the opposite corner by moving them or by jumping them over those met in progress.
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Halo (hāl�), n.; pl. Halos (-lōz). [L. halos, acc. halo, Gr. alws a thrashing floor, also (from its round shape) the disk of the sun or moon, and later a halo round it; cf. Gr. e'ilyein to enfold, 'elyein to roll round, L. volvere, and E. voluble.] 1. A luminous circle, usually prismatically colored, round the sun or moon, and supposed to be caused by the refraction of light through crystals of ice in the atmosphere. Connected with halos there are often white bands, crosses, or arches, resulting from the same atmospheric conditions.
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2. A circle of light; especially, the bright ring represented in painting as surrounding the heads of saints and other holy persons; a glory; a nimbus.
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3. An ideal glory investing, or affecting one's perception of, an object.
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4. A colored circle around a nipple; an areola.
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Halo, v. t. & i. [imp. & p. p. Haloed (-lōd); p. pr. & vb. n. Haloing.] To form, or surround with, a halo; to encircle with, or as with, a halo.
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The fire
That haloed round his saintly brow. Southey.
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halobacter, halobacterium n.; pl. halobacteria (?), or halobacters (#). Any halophilic bacterium of the archaebacteria group, expecially of the genera Halobacterium and Halococcus, which live in saline environments such as the Dead Sea or salt flats.
Syn. -- halobacteria, halobacter.
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Halocarpus n. A genus of dioecious trees or shrubs of New Zealand; similar in habit to Dacrydium.
Syn. -- genus Halocarpus.
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Haloed (hālōd), a. Surrounded with a halo; invested with an ideal glory; glorified.
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Some haloed face bending over me. C. Bronté.
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Halogen (hăl�jĕn), n. [Gr. als, alos, salt + -gen: cf. F. halogène.] (Chem.) An electro-negative element or radical, which, by combination with a metal, forms a haloid salt; especially, chlorine, fluorine, bromine, and iodine; sometimes, also cyanogen. See Chlorine family, under .
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Halogenous (hȧlŏj�nŭs), a. Of the nature of a halogen.
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Haloid (hāloid or hăloid), a. [Gr. als, alos salt + -oid: cf. F. haloïde.] (Chem.) Resembling salt; -- said of certain binary compounds consisting of a metal united to a negative element or radical, and now chiefly applied to the chlorides, bromides, iodides, and sometimes also to the fluorides and cyanides. -- n. A haloid substance.
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Halomancy (hăl�măns�), n. See .
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Halometer (hȧlŏm�tẽr), n. [Gr. als, alos, salt + -meter.] An instrument for measuring the forms and angles of salts and crystals; a goniometer.
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Halones (hȧlōnēz), n. pl. [NL., fr. Gr. alwn, alwnos, a halo.] (Biol.) Alternating transparent and opaque white rings which are seen outside the blastoderm, on the surface of the developing egg of the hen and other birds.
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Halophyte (hăl�fīt), n. [Gr. als, alos, salt + fyton a plant.] (Bot.) A plant found growing in salt marshes, or in the sea.
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Haloscope (hāl�skōp), n. [Halo + -scope.] An instrument for exhibition or illustration of the phenomena of halos, parhelia, and the like.
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Halotrichite (hăl�trīkīt), n. [Gr. als sea + qrix, trichos, hair.] (Min.) An iron alum occurring in silky fibrous aggregates of a yellowish white color.
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Haloxyline, n. [Gr. als, alos, salt + xylon wood.] An explosive mixture, consisting of sawdust, charcoal, niter, and ferrocyanide of potassium, used as a substitute for gunpowder.
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Halp (hälp), imp. of . Helped. [Obs.]
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Halpace (hălpās), n. (Arch.) See .
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Hals (h�ls), n. [AS. heals; akin to D., G., & Goth. hals. See .] The neck or throat. [Obs.]
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Do me hangen by the hals. Chaucer.
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Halse (h�ls), v. t. [AS. healsian.] 1. To embrace about the neck; to salute; to greet. [Obs.]
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Each other kissed glad
And lovely halst. Spenser.
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2. To adjure; to beseech; to entreat. [Obs.]
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O dere child, I halse thee,
In virtue of the Holy Trinity. Chaucer.
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Halse, v. t. [imp. & p. p. Halsed (h�lst); p. pr. & vb. n. Halsing.] [Cf. .] To haul; to hoist. [Obs.] Grafton
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Halsening (h�lsĕnĭng), a. Sounding harshly in the throat; inharmonious; rough. [Obs.] Carew.
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Halser (h�sẽr), n. See . Pope.
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Halt (h�lt), 3d pers. sing. pres. of , contraction for holdeth. [Obs.] Chaucer.
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Halt (h�lt), n. [Formerly alt, It. alto, G. halt, fr. halten to hold. See .] A stop in marching or walking, or in any action; arrest of progress.
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Without any halt they marched. Clarendon.
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[Lovers] soon in passion's war contest,
Yet in their march soon make a halt. Davenant.
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Halt, v. i. [imp. & p. p. Halted; p. pr. & vb. n. Halting.] 1. To hold one's self from proceeding; to hold up; to cease progress; to stop for a longer or shorter period; to come to a stop; to stand still.
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2. To stand in doubt whether to proceed, or what to do; to hesitate; to be uncertain.
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How long halt ye between two opinions? 1 Kings xviii. 21.
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Halt (h�lt), v. t. (Mil.) To cause to cease marching; to stop; as, the general halted his troops for refreshment.
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Halt, a. [AS. healt; akin to OS., Dan., & Sw. halt, Icel. haltr, halltr, Goth. halts, OHG. halz.] Halting or stopping in walking; lame.
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Bring in hither the poor, and the maimed, and the halt, and the blind. Luke xiv. 21.
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Halt, n. The act of limping; lameness.
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Halt, v. i. [OE. halten, AS. healtian. See , a.]
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1. To walk lamely; to limp.
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2. To have an irregular rhythm; to be defective.
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The blank verse shall halt for it. Shak.
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Halter (-ẽr), n. One who halts or limps; a cripple.
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Halter (h�ltẽr), n. [OE. halter, helter, helfter, AS. hælftre; akin to G. halfter, D. halfter, halster, and also to E. helve. See .] A strong strap or cord. Especially: (a) A rope or strap, with or without a headstall, for leading or tying a horse. (b) A rope for hanging malefactors; a noose. Shak.
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No man e'er felt the halter draw
With good opinion of the law. Trumbull.
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Halter, v. t. [imp. & p. p. Haltered (-tẽrd); p. pr. & vb. n. Haltering.] To tie by the neck with a rope, strap, or halter; to put a halter on; to subject to a hangman's halter. “A haltered neck.” Shak.
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Halteres (hăltērēz), n. pl. [NL., fr. Gr. alth^res weights used in jumping, fr. allesqai to leap.] (Zoöl.) Balancers; the rudimentary hind wings of Diptera.
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Halter-sack (h�ltẽrsăk), n. A term of reproach, implying that one is fit to be hanged. [Obs.] Beau. & Fl.
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Haltingly (h�ltĭngl�), adv. In a halting or limping manner.
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Halvans (hălv�nz), n. pl. (Mining) Impure ore; dirty ore. Raymond.
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Halve (hälv�), n. A half. [Obs.] Chaucer.
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Halve (häv), v. t. [imp. & p. p. Halved (hävd); p. pr. & vb. n. Halving.] [From .] 1. To divide into two equal parts; as, to halve an apple; to be or form half of.
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So far apart their lives are thrown
From the twin soul that halves their own. M. Arnold.
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2. (Arch.) To join, as two pieces of timber, by cutting away each for half its thickness at the joining place, and fitting together.
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3. Of a hole, match, etc., to reach or play in the same number of strokes as an opponent.

Halved (hävd), a. Appearing as if one side, or one half, were cut away; dimidiate.
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Halves (hävz), n., pl. of .
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Coloq. By halves , by one half at once; halfway; fragmentarily; partially; incompletely.
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I can not believe by halves; either I have faith, or I have it not. J. H. Newman.
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Coloq. To go halves . See under .
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Halwe (hälw�), n. [OE., fr. AS. hālga. See .] A saint. [Obs.] Chaucer.
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Halyard (hălyẽrd), n. [Hale, v. t. + yard.] (Naut.) A rope or tackle for hoisting or lowering yards, sails, flags, etc. [Written also halliard, haulyard.]
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Halysites (hălĭsītēz), n. [NL., fr. Gr. alysis a chain.] (Paleon.) A genus of Silurian fossil corals; the chain corals. See Chain coral, under .
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Ham (häm), n. Home. [North of Eng.] Chaucer.
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Ham (hăm), n. [AS. ham; akin to D. ham, dial. G. hamme, OHG. hamma. Perh. named from the bend at the ham, and akin to E. chamber. Cf. ham.]
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1. (Anat.) The region back of the knee joint; the popliteal space; the hock.
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2. The thigh of any animal; especially, the thigh of a hog cured by salting and smoking.
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A plentiful lack of wit, together with most weak hams. Shak.
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Ham (hăm), n. 1. [Short for .] a person who performs in a showy or exaggerated style; -- used especially of actors. Also used attributively, as, a ham actor.
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2. The licensed operator of an amateur radio station.
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Ham (hăm), v. i. (Theater) To act with exaggerated voice and gestures; to overact.
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Coloq. ham it up to act in a showy fashion or to act so as to attract attention; to ham. [Colloq.]
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Hamadryad (hămȧdrīăd), n.; pl. E. Hamadryads (-ădz), L. Hamadryades (-drīȧdēz). [L. Hamadryas, -adis, Gr. Amadryas; ama together + dry^s oak, tree: cf. F. hamadryade. See , and .]
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1. (Class. Myth.) A tree nymph whose life ended with that of the particular tree, usually an oak, which had been her abode.
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2. (Zoöl.) A large venomous East Indian snake (Ophiophagus bungarus), allied to the cobras.
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Hamadryas (hȧmādrĭăs), n. [L., a hamadryad. See .] (Zoöl.) The sacred baboon of Egypt (Cynocephalus Hamadryas).
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Hamal (hȧmäl), n. [Written also hammal, hummaul, hamaul, khamal, etc.] [Turk. & Ar. hammāl, fr. Ar. hamala to carry.] In Turkey and other Oriental countries, a porter or burden bearer; specif., in Western India, a palanquin bearer.
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Hamamelidaceae n. A natural family of plants comprising the genera Hamamelis; Corylopsis; Fothergilla; Liquidambar; Parrotia; and other small genera.
Syn. -- family Hamamelidaceae, witch-hazel family.
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Hamamelidae n. a group of chiefly woody plants considered among the most primitive of angiosperms; they have a perianth poorly developed or lacking, and flowers often unisexual and often in catkins and often wind pollinated. The group contains 23 families including the Betulaceae and Fagaceae (includes the Amentiferae); sometimes it is classified as a superorder.
Syn. -- subclass Hamamelidae.
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Hamamelidanthum n. A genus of fossil plants of the Oligocene having flowers resembling those of the witch hazel; found in Baltic region.
Syn. -- genus Hamamelidanthum.
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Hamamelidoxylon n. A genus of fossil plants having wood identical with or similar to that of the witch hazel.
Syn. -- genus Hamamelidoxylon.
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Hamamelis (hămȧmēlĭs), n. [NL., fr. Gr. amamhlis a kind of medlar or service tree; ama at the same time + mh^lon an apple, any tree fruit.] (Bot.) A genus of plants which includes the witch-hazel (Hamamelis Virginica), a preparation of which is used medicinally.
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Hamate (hām�t), a. [L. hamatus, fr. hamus hook.] Hooked; bent at the end into a hook; hamous.
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Hamated (hām�tĕd), a. Hooked, or set with hooks; hamate. Swift.
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Hamatum (hȧmātŭm), n. [NL., fr. L. hamatus hooked.] (Anat.) See .
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Hamble (hămb'l), v. t. [OE. hamelen to mutilate, AS. hamelian; akin to OHG. hamalōn to mutilate, hamal mutilated, ham mutilated, Icel. hamla to mutilate. Cf. to fetter.] To hamstring. [Obs.]
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Hamburg (-bûrg), n. A commercial city of Germany, near the mouth of the Elbe.
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Coloq. Black Hamburg grape . See under . -- Coloq. Hamburg edging , a kind of embroidered work done by machinery on cambric or muslin; -- used for trimming. -- Coloq. Hamburg lake , a purplish crimson pigment resembling cochineal.
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Hame (hām), n. Home. [Scot. & O. Eng.]
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Hame, n. [Scot. haims, hammys, hems, OE. ham; cf. D. haam.] One of the two curved pieces of wood or metal, in the harness of a draught horse, to which the traces are fastened. They are fitted upon the collar, or have pads fitting the horse's neck attached to them.
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Hamel (hămĕl), v. t. [Obs.] Same as .
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{ Hamesecken (hāmsĕk'n), Hamesucken (-sŭk'n), } n. [AS. hāmsōcn. See , and .] (Scots Law) The felonious seeking and invasion of a person in his dwelling house. Bouvier.
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Hamfatter (hămfăttẽr), n. [From a negro minstrel song called “The ham-fat man.”] A low-grade actor or performer; a ham. [Theatrical Slang]
Syn. -- ham.
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ham-fisted ham-handed adj. not skillful in physical movement especially with the hands; clumsy; bungling; -- also used metaphorically of actions; as, ham-handed governmental interference.
Syn. -- bumbling, bungling, butterfingered, handless, heavy-handed, left-handed.
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Hamiform (hāmĭfôrm), a. [L. hamus hook + -form.] Hook-shaped.
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Hamilton period (hămĭltŭn pērĭŭd). (Geol.) A subdivision of the Devonian system of America; -- so named from Hamilton, Madison Co., New York. It includes the Marcellus, Hamilton, and Genesee epochs or groups. See the Chart of .
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Haminoea n. A common genus of marine bubble shells of the Pacific coast of North America.
Syn. -- genus Haminoea.
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Haminura (hămĭnūrȧ), n. (Zoöl.) A large edible river fish (Erythrinus macrodon) of Guiana.
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Hamite (hāmīt), n.[L. hamus hook.] (Paleon.) A fossil cephalopod of the genus Hamites, related to the ammonites, but having the last whorl bent into a hooklike form.
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Hamite (hămīt), n. A descendant of Ham, Noah's second son. See Gen. x. 6-20.
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Hamitic (hămĭtĭk), a. Pertaining to Ham or his descendants.
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Coloq. Hamitic languages , the group of languages spoken mainly in the Sahara, Egypt, Galla, and Somâli Land, and supposed to be allied to the Semitic. Keith Johnston.
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Hamlet (hămlĕt), n. [OE. hamelet, OF. hamelet, dim. of hamel, F. hameau, LL. hamellum, a dim. of German origin; cf. G. heim home. √220. See .] A small village; a little cluster of houses in the country.
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The country wasted, and the hamlets burned. Dryden.

Syn. -- Village; neighborhood. See .
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Hamleted, p. a. Confined to a hamlet. Feltham.
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Hammer (hămmẽr), n. [OE. hamer, AS. hamer, hamor; akin to D. hamer, G. & Dan. hammer, Sw. hammare, Icel. hamarr, hammer, crag, and perh. to Gr. 'akmwn anvil, Skr. açman stone.] 1. An instrument for driving nails, beating metals, and the like, consisting of a head, usually of steel or iron, fixed crosswise to a handle.
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With busy hammers closing rivets up. Shak.
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2. Something which in form or action resembles the common hammer; as: (a) That part of a clock which strikes upon the bell to indicate the hour. (b) The padded mallet of a piano, which strikes the wires, to produce the tones. (c) (Anat.) The malleus. See under . (d) (Gun.) That part of a gunlock which strikes the percussion cap, or firing pin; the cock; formerly, however, a piece of steel covering the pan of a flintlock musket and struck by the flint of the cock to ignite the priming. (e) Also, a person or thing that smites or shatters; as, St. Augustine was the hammer of heresies.
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He met the stern legionaries [of Rome] who had been the “massive iron hammers” of the whole earth. J. H. Newman.
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3. (Athletics) A spherical weight attached to a flexible handle and hurled from a mark or ring. The weight of head and handle is usually not less than 16 pounds.
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Coloq. Atmospheric hammer , a dead-stroke hammer in which the spring is formed by confined air. -- Coloq. Drop hammer , Coloq. Face hammer , etc. See under , , etc. -- Coloq. Hammer fish . See . -- Coloq. Hammer hardening , the process of hardening metal by hammering it when cold. -- Coloq. Hammer shell (Zoöl.), any species of Malleus, a genus of marine bivalve shells, allied to the pearl oysters, having the wings narrow and elongated, so as to give them a hammer-shaped outline; -- called also hammer oyster. -- Coloq. To bring to the hammer , to put up at auction.
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Hammer, v. t. [imp. & p. p. Hammered (-mẽrd); p. pr. & vb. n. Hammering.] 1. To beat with a hammer; to beat with heavy blows; as, to hammer iron.
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2. To form or forge with a hammer; to shape by beating. “Hammered money.” Dryden.
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3. To form in the mind; to shape by hard intellectual labor; -- usually with out.
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Who was hammering out a penny dialogue. Jeffry.
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Hammer, v. i. 1. To be busy forming anything; to labor hard as if shaping something with a hammer.
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Whereon this month I have been hammering. Shak.
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2. To strike repeated blows, literally or figuratively.
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Blood and revenge are hammering in my head. Shak.
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Hammerable (-ȧb'l), a. Capable of being/formed or shapeo by a hammer. Sherwood.
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Hammer-beam (-bēm), n. (Gothic Arch.) A member of one description of roof truss, called hammer-beam truss, which is so framed as not to have a tiebeam at the top of the wall. Each principal has two hammer-beams, which occupy the situation, and to some extent serve the purpose, of a tiebeam.
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Hammer break. (Elec.) An interrupter in which contact is broken by the movement of an automatically vibrating hammer between a contact piece and an electromagnet, or of a rapidly moving piece mechanically driven.
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Hammercloth (-klŏth; 115), n. [Prob. fr. D. hemel heaven, canopy, tester (akin to G. himmel, and perh. also to E. heaven) + E. cloth; or perh. a corruption of hamper cloth.] The cloth which covers a coach box.
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Hammer-dressed (-drĕst), a. Having the surface roughly shaped or faced with the stonecutter's hammer; -- said of building stone.
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Hammerer (-ẽr), n. One who works with a hammer.
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Hammer-harden (-härd'n), v. t. To harden, as a metal, by hammering it in the cold state.
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Hammerhead (-hĕd), n. 1. (Zoöl.) A shark of the genus Sphyrna or Zygæna, having the eyes set on projections from the sides of the head, which gives it a hammer shape. The Sphyrna zygæna is found in the North Atlantic. Called also hammer fish, and balance fish.
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