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Belonging to, or proceeding from, the root of a plant; as, radical tubers or hairs.

A plant (Campanula Rapunculus) of the Bellflower family, with a tuberous esculent root; -- also called ramps.

The underground portion of a plant, whether a true root or a tuber, a bulb or rootstock, as in the potato, the onion, or the sweet flag.

c of a circle or an ellipse, or a portion of the surface of a sphere; rotund; bulging; protuberant; not angular or pointed; as, a round arch; round hills. "Their round haunches gored." Shak.

rge ruff of erectile feathers, variable in their colors, on the neck, and yellowish naked tubercles on the face. They are polygamous, and are noted for their pugnacity in the breeding season. The female is called reeve, or rheeve.

ushlike plants with hard nutlike fruits. (b) A name for several species of Cyperus having tuberous roots. -- Rush broom, an Australian leguminous plant (Viminaria denudata), having long, slender branches. Also, the Spanish broom. See under Candle. -- Rush grass, any grass of the genus Vilfa, grasses with wiry stems a…

The dried tubers of various species of Orchis, and Eulophia. It is used to make a nutritious beverage by treating the powdered preparation with hot water. U. S. Disp.

having a calcareous coating, and connecting the oral ambulacral ring with the madreporic tubercle. It appears to be excretory in function. -- Sand cock (Zoöl.), the redshank. [Prov. Eng.] -- Sand collar. (Zoöl.) Same as Sand saucer, below. -- Sand crab. (Zoöl.) (a) The lady crab. (b) A land crab, or ocypodian. -- S…

A slight iregular protuberance which defaces the surface of a casting, caused by the breaking away of a part of the mold.

One of the smooth areas surrounding the tubercles of a sea urchin.

Pertaining to, or surrounding, scrobiculæ; as, scrobicular tubercles.

to disease or injury and the capacity for recovery. Scrofula is now generally held to be tuberculous in character, and may develop into general or local tuberculosis (consumption).

s; also, its edible fruit. -- Seven-year vine (Bot.), a tropical climbing plant (Ipomoea tuberosa) related to the morning-glory.

That which resembles a human shoulder, as any protuberance or projection from the body of a thing. The north western shoulder of the mountain. Sir W. Scott.

. It is a native of Asia, but has been long cultivated in Europe for its edible clustered tuberous roots, which are very sweet.

branch that has been lopped off; a short branch, or a sharp or rough branch; a knot; a protuberance. The coat of arms Now on a naked snag in triumph borne. Dryden.

f a snake's head. Dr. Prior. Snake's-head iris (Bot.), an iridaceous plant (Hermodactylus tuberosus) of the Mediterranean region. The flowers slightly resemble a serpent's open mouth.

A West Indian herb (Ruellia tuberosa) with curiously shaped blue flowers.

A knot; a protuberance; a song. [Obs.] [A club] with ragged snubs and knotty grain. Spenser.

A genus of plants comprehending the potato (S. tuberosum), the eggplant (S. melongena, and several hundred other species; nightshade.