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Concave on both sides; as, biconcave vertebræ.

Convex on both sides; as, a biconvex lens.

ouble-pointed teeth which intervene between the canines (cuspids) and the molars, on each side of each jaw. See Tooth, n.

Residence; habitation. Rowe.

Pointing two ways, as leaves that grow only on opposite sides of a branch; in two vertical rows.

Flabellate on both sides.

ts of the order Araceæ. It has an opening at each end through which raphides, generated inside, are discharged.

lata is the cross vine of the Southern United States. The trumpet creeper was formerly considered to be of this genus.

Having two sides; arranged upon two sides; affecting two sides or two parties.

ll of indictment, a written accusation lawfully presented to a grand jury. If the jury consider the evidence sufficient to support the accusation, they indorse it "A true bill," or "Not found," or "Ignoramus", or "Ignored." -- Bill of lading, a written account of goods shipped by any person, signed by the agent of the…

ticket from a public officer directing soldiers at what house to lodge; as, a billet of residence.

Applied to a line which is the sum of two lines commensurable only in power (as the side and diagonal of a square).

An ax with an edge or blade on each side of the handle.

Anything added to raise the sides of a ship. Bailey.

Resembling two bucklers placed side by side.

Serrate on both sides, as some antennæ.

ere Sodom flamed. Milton. Bituminous coal, a kind of coal which yields, when heated, a considerable amount of volatile bituminous matter. It burns with a yellow smoky flame. -- Bituminous limestone, a mineral of a brown or black color, emitting an unpleasant smell when rubbed. That of Dalmatia is so charged with bitum…

One side of an echinoderm, including a pair of ambulacra, in distinction from the opposite side (trivium), which includes three ambulacra.

An earthy carbonate of iron containing considerable carbonaceous matter; -- valuable as an iron ore.

and lower menials of a court, or of a nobleman's household, who, in a removal from one residence to another, had charge of the kitchen utensils, and being smutted by them, were jocularly called the "black guard"; also, the servants and hangers-on of an army. [Obs.] A lousy slave, that . . . rode with the black guard i…