bronchus
noun/ˈbrɒŋkəs/
/ˈbrɑːŋkəs/
(plural bronchi
(anatomy)/ˈbrɒŋkaɪ/
/ˈbrɑːŋkaɪ/
)- 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 lungsWord Originlate 17th cent.: from late Latin, from Greek bronkhos ‘windpipe’.
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bronchus