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Continuing for two years, and then perishing, as plants which form roots and leaves the first year, and produce fruit the second.

Consisting of two letters; as, a biliteral root of a Sanskrit verb. Sir W. Jones. -- n.

Consisting of two terms; pertaining to binomials; as, a binomial root.

in some term of which the unknown quantity is raised to the fourth power. -- Biquadratic root of a number, the square root of the square root of that number. Thus the square root of 81 is 9, and the square root of 9 is 3, which is the biquadratic root of 81. Hutton.

An orchideous plant with matted roots, of the genus Neottia (N. nidus-avis.) Bird's-nest pudding, a pudding containing apples whose cores have been replaces by sugar. -- Yellow bird's nest, a plant, the Monotropa hypopitys.

An herbaceous plant of the genus Polygonum, section Bistorta; snakeweed; adderwort. Its root is used in medicine as an astringent.

error, or schism, tending to draw persons to apostasy. Looking diligently, . . . lest any root of bitterness springing up trouble you. Heb. xii. 15.

A liquor, generally spirituous in which a bitter herb, leaf, or root is steeped.

A bladder growing on the root of the tongue of a horse, against the windpipe, and stopping the breath.

rium luteum of the Lily family; Liatris squarrosa; and Aletris farinosa, called also colicroot and star grass.

A downy species of aphis, or plant louse, destructive to fruit trees, infesting both the roots and branches; -- also applied to several other injurious insects.

A plant, Rumex sanguineus, or bloody-veined dock. The name is applied also to bloodroot (Sanguinaria Canadensis), and to an extensive order of plants (Hæmodoraceæ), the roots of many species of which contain a red coloring matter useful in dyeing.

ls; wire grass. Kentucky blue grass, a species of grass (Poa pratensis) which has running rootstocks and spreads rapidly. It is valuable as a pasture grass, as it endures both winter and drought better than other kinds, and is very nutritious.

us of the god himself. . . . It differs from the banyan (Ficus Indica) by sending down no roots from its branches. Tennent.

A little elevated spot or clump of earth, roots, and grass, in a marsh or swamp. [Local, U. S.] Bog bean. See Buck bean. -- Bog bumper (bump, to make a loud noise), Bog blitter, Bog bluiter, Bog jumper, the bittern. [Prov.] -- Bog butter, a hydrocarbon of butterlike consistence found in the peat bogs of Ireland. -- B…

f botany. -- Botanic physician, a physician whose medicines consist chiefly of herbs and roots.

The whole city shall flee for the noise of the horsemen and bowmen. Jer. iv. 29. Bowman's root. (Bot.) See Indian physic, under Indian.

which bear the bit, the cross chains, and the curb. -- Branch herring. See Alewife. -- Root and branch , totally, wholly.

epitome; a brief account or summary. A book entitled the abridgment or breviary of those roots that are to be cut up or gathered. Holland.

hing sharp or unpleasant to the feelings. The thorns and briers of reproof. Cowper. Brier root, the root of the southern Smilax laurifolia and S. Walleri; -- used for tobacco pipes. -- Cat brier, Green brier, several species of Smilax (S. rotundifolia, etc.) -- Sweet brier (Rosa rubiginosa). See Sweetbrier. -- Yellow…