bugle

Compact valveless treble brass instrument with a shorter tube and less flared bell than the trumpet. Constructed of copper plated with brass, it has long been used as a military instrument for giving a range of signals based on the tones of a harmonic series. The bugle has a conical bore whereas the trumpet is cylindrical.

bugle

Any of a group of low-growing plants belonging to the mint family, with spikes of white, pink, or blue flowers. The leaves may be smooth-edged or slightly toothed, the lower ones with a long stalk. They are often grown as ground cover. (Genus Ajuga, family Labiatae.)