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

 

tracheotomy

 noun
noun
BrE BrE//ˌtrækiˈɒtəmi//
 
; NAmE NAmE//ˌtreɪkiˈɑːtəmi//
 
(pl. tracheotomies)(medical)
 
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a medical operation to cut a hole in somebody’s trachea so that they can breathe
See the Oxford Advanced American Dictionary entry: tracheotomy