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Destitute of arms or weapons.

Instruments or weapons of offense or defense. He lays down his arms, but not his wiles. Milton. Three horses and three goodly suits of arms. Tennyson.

A missile weapon of offense, slender, pointed, and usually feathered and barbed, to be shot from a bow. Broad arrow. (a) An arrow with a broad head. (b) A mark placed upon British ordnance and government stores, which bears a rude resemblance to a broad arrowhead.

Of or pertaining to, or containing, arsenic; as, arsenical vapor; arsenical wall papers. Arsenical silver, an ore of silver containing arsenic.

isions of Crustacea, so called because the thorax and abdomen are both segmented; Tetradecapoda. It includes the Amphipoda and Isopoda.

manner, that it would be if. -- As it were (as if it were), a qualifying phrase used to apologize for or to relieve some expression which might be regarded as inappropriate or incongruous; in a manner. -- As now, just now. [Obs.] Chaucer. -- As swythe, as quickly as possible. [Obs.] Chaucer. -- As well, also; too;…

ascending or arising, as in distillation; also that which arises, as from distillation. Vaporous ascensions from the stomach. Sir T. Browne. Ascension Day, the Thursday but one before Whitsuntide, the day on which commemorated our Savior's ascension into heaven after his resurrection; -- called also Holy Thursday. --…

ing; motion upward; rise; a mounting upward; as, he made a tedious ascent; the ascent of vapors from the earth. To him with swift ascent he up returned. Milton.

A violent onset or attack with physical means, as blows, weapons, etc.; an onslaught; the rush or charge of an attacking force; onset; as, to make assault upon a man, a house, or a town. The Spanish general prepared to renew the assault. Prescott. Unshaken bears the assault Of their most dreaded foe, the strong southwe…

Asserting that a thing is; -- opposed to problematical and apodeictical.

other. To aspire to an assimilation with God. Dr. H. More. The assimilation of gases and vapors. Sir J. Herschel.

Four assistants who his labor share. Pope. Rhymes merely as assistants to memory. Mrs. Chapone.

Treatment of disease by vapors or gases, as by inhalation.

An instrument for measuring the evaporation from water, ice, or snow. Brande & C.

That branch of science which treats of the laws and phenomena of aqueous vapor. Whewell.

An instrument for measuring the rate of evaporation from a moist surface; an evaporometer. Huxley.

The peculiar sensation, as of a light vapor, or cold air, rising from the trunk or limbs towards the head, a premonitory symptom of epilepsy or hysterics. Electric ~, a supposed electric fluid, emanating from an electrified body, and forming a mass surrounding it, called the electric atmosphere. See Atmosphere, 2.…

original or authority, in opposition to that which is false, fictitious, counterfeit, or apocryphal; being what it purports to be; genuine; not of doubtful origin; real; as, an authentic paper or register. To be avenged On him who had stole Jove's authentic fire. Milton.

Of or pertaining to Avernus, a lake of Campania, in Italy, famous for its poisonous vapors, which ancient writers fancied were so malignant as to kill birds flying over it. It was represented by the poets to be connected with the infernal regions.

The act of flying; flight; evaporation. [Obs.]