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’.