/ ˈbrɒŋkəs; NAmE ˈbrɑːŋ-/ noun
( pl. bron·chi / ˈbrɒŋkaɪ; NAmE ˈbrɑːŋ-/) ( anatomy ) 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
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WORD ORIGIN
late 17th cent.: from late Latin , from Greek bronkhos windpipe.