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



BrE BrE//ˈbrɒŋkəs//
; NAmE NAmE//ˈbrɑːŋkəs//
(pl. bronchi
BrE BrE//ˈbrɒŋkaɪ//
; NAmE NAmE//ˈbrɑːŋkaɪ//
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any one of the system of tubes which make up the main branches of the windpipe through which air passes in and out of the lungs Word Originlate 17th cent.: from late Latin, from Greek bronkhos ‘windpipe’.
See the Oxford Advanced American Dictionary entry: bronchus