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.
3. Etymology: an abbreviation of buglehorn, "drinking horn, hunting horn" (c.1300), from Old French bugle, "wild ox, buffalo", from Latin buculus, "heifer, young ox"; diminutive of bos, "ox, cow".

To sing, cry, or to announce something in musical harmony.