a sort of wild ox; a buffalo.-a horn used by hunters.-a copper instrument of the horn quality of tone, shorter and more conical that the trumpet, sometimes keyed; formerly much used in military bands, very rarely in the orchestra; now superseded by the cornet; -- called also the kent bugle.-an elongated glass bead, of various colors, though commonly black.-jet black.-a plant of the genus ajuga of the mint family, a native of the old world.