Source : Webster's Revised Unabridged Dictionary (1913)

Bugle \Bu"gle\, n. [LL. bugulus a woman's ornament: cf. G.
   b["u]gel a bent piece of metal or wood, fr. the same root as
   G. biegen to bend, E. bow to bend.]
   An elongated glass bead, of various colors, though commonly
   black.

Bugle \Bu"gle\, a. [From {Bugle} a bead.]
   Jet black. ``Bugle eyeballs.'' --Shak.

Bugle \Bu"gle\, n. [F. bugle; cf. It. bugola, L. bugillo.]
   (Bot.)
   A plant of the genus {Ajuga} of the Mint family, a native of
   the Old World.

   {Yellow bugle}, the {Ajuga cham[ae]pitys}.

Bugle \Bu"gle\, n. [OE. bugle buffalo, buffalo's horn, OF.
   bugle, fr. L. buculus a young bullock, steer, dim. of bos ox.
   See {Cow} the animal.]
   A sort of wild ox; a buffalo. --E. Phillips.

Bugle \Bu"gle\, n. [See {Bugle} a wild ox.]
   1. A horn used by hunters.

   2. (Mus.) 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      in the orchestra; now superseded by the cornet; -- called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}.

Source : WordNet®

bugle
     n 1: a brass instrument without valves; used for military calls
          and fanfares
     2: any of various low-growing annual or perennial evergreen
        herbs native to Eurasia; used for ground cover [syn: {bugleweed}]
     3: a tubular glass or plastic bead sewn onto clothing for
        decoration

bugle
     v : play on a bugle