bu ‧ gle /ˈbjuːɡ ə l/ BrE AmE noun [countable]
[ Date: 1300-1400 ; Origin: bugle horn 'instrument made from buffalo horn, bugle' (13-16 centuries) , from bugle 'buffalo' (13-17 centuries) , from Old French , from Latin buculus , from bos 'ox, cow' ]
a musical instrument like a ↑ trumpet , that is used in the army to call soldiers
—bugler noun [countable]