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A genus of grasses, including species called in common language bent grass. Some of them, as redtop (Agrostis vulgaris), are valuable pasture grasses.

spell, a spell or charm against ague. Gay. -- Ague tree, the sassafras, -- sometimes so called from the use of its root formerly, in cases of ague. [Obs.]

An exclamation to call one's attention; hem.

An aid-de-camp, so called by abbreviation; as, a general's aid. Aid prayer (Law), a proceeding by which a defendant beseeches and claims assistance from some one who has a further or more permanent interest in the matter in suit. -- To pray in aid, to beseech and claim such assistance.

Symbolically: Something unsubstantial, light, or volatile. "Charm ache with air." Shak. He was still all air and fire. Macaulay . [Air and fire being the finer and quicker elements as opposed to earth and water.]

A hole to admit or discharge air; specifically, a spot in the ice not frozen over.

l of a pump, engine, etc. For the latter, see Air chamber. The air vessels of insects are called tracheæ, of plants spiral vessels.

A lateral division of a building, separated from the middle part, called the nave, by a row of columns or piers, which support the roof or an upper wall containing windows, called the clearstory wall.

sed both as a medicine and as a condiment. An oil containing thymol is extracted from it. Called also Javanee seed, Javanese seed, and ajava.

A box or vessel for holding odoriferous ointments, etc.; -- so called from the stone of which it was originally made. Fosbroke.

tter articulate sounds, due either to paralysis of the larynx or to that form of aphasia, called motor, or ataxis, aphasia, due to loss of control of the muscles of speech.

A thin, black silk for hoods, scarfs, etc.; -- often called simply mode. Buchanan.

To call to arms for defense; to give notice to (any one) of approaching danger; to rouse to vigilance and action; to put on the alert.

Whiteness. Specifically: (Astron.) The ratio which the light reflected from an unpolished surface bears to the total light falling upon that surface.

nus alalonga. One species (Orcynus thynnus), common in the Mediterranean and Atlantic, is called in New England the horse mackerel; the tunny. [Written also albacore.]

ind of plastic cement, or artificial stone, consisting chiefly of magnesia and silica; -- called also albolite.

by heat. -- Alkali albumin, albumin as modified by the action of alkaline substances; -- called also albuminate.

One of a class of organic principles (called also proteids) which form the main part of organized tissues. Brunton.

rtaining to Alcæus, a lyric poet of Mitylene, about 6000 b. c. -- n. A kind of verse, so called from Alcæus. One variety consists of five feet, a spondee or iambic, an iambic, a long syllable, and two dactyls.

Pure spirit of wine; pure or highly rectified spirit (called also ethyl alcohol); the spirituous or intoxicating element of fermented or distilled liquors, or more loosely a liquid containing it in considerable quantity. It is extracted by simple distillation from various vegetable juices and infusions of a saccharine…