Definition of tracheotomy noun from the Oxford Advanced American Dictionary

 

tracheotomy

 noun
noun
NAmE//ˌtreɪkiˈɑt̮əmi//
 
(pl. tracheotomies)(medical)
 
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a medical operation to cut a hole in someone's trachea so that they can breathe
See the Oxford Advanced Learner's Dictionary entry: tracheotomy