Definition of bugle noun from the Oxford Advanced Learner's Dictionary

 

bugle

 noun
noun
BrE BrE//ˈbjuːɡl//
 
; NAmE NAmE//ˈbjuːɡl//
 
Musical instruments
 
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a musical instrument like a small trumpet, used in the army for giving signals See related entries: Musical instruments Word Origin Middle English: via Old French from Latin buculus, diminutive of bos ‘ox’. The early English sense was ‘wild ox’, hence the compound bugle-horn, denoting the horn of an ox used to give signals, originally in hunting.
See the Oxford Advanced American Dictionary entry: bugle