Definition of vasectomy noun from the Oxford Advanced American Dictionary

 

vasectomy

 noun
noun
NAmE//vəˈsɛktəmi//
 
(pl. vasectomies)(medical)
 
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a medical operation to remove part of each of the tubes in a man's body that carry sperm, after which he is not able to make a woman pregnant to have a vasectomy
See the Oxford Advanced Learner's Dictionary entry: vasectomy