Real Dictionary

bugle
countable noun: A bugle is a simple brass musical instrument that looks like a small trumpet. Bugles are often used in the army to announce when activities such as meals are about to begin.

bugle in American English 1
a brass instrument like a trumpet but smaller, and usually without keys or valves: used chiefly for military calls and signals
to call or signal by or as by blowing a bugle
intransitive verb: to sound a bugle
noun: a brass wind instrument resembling a cornet and sometimes having keys or valves, used typically for sounding military signals
transitive verb: to call by or with a bugle

bugle in American English 2
a long, tubular glass or plastic bead for trimming dresses, etc.
trimmed with bugles
noun: ajuga

bugle in American English 3
any of a genus (Ajuga) of plants of the mint family, having spikes of white, pink, or blue flowers and often used for ground cover; ajuga
adjective: ornamented with bugles
noun: a tubular glass bead used for ornamenting dresses

bugle in British English 1
noun: a brass instrument similar to the cornet but usually without valves: used for military fanfares, signal calls, etc
verb: to play or sound (on) a bugle

bugle in British English 2
noun: any of several Eurasian plants of the genus Ajuga, esp A. reptans, having small blue or white flowers: family Lamiaceae (labiates)

bugle in British English 3
noun: a tubular glass or plastic bead sewn onto clothes for decoration