Longman Dictionary of Contemporary English homepage

Topic: HOSPITAL

Date: 1800-1900
Origin: vas deferens 'sperm-carrying tube' (16-21 centuries) (from Modern Latin, 'carrying-away container') + -ectomy

vasectomy

noun
     
va‧sec‧to‧my plural vasectomies [uncountable and countable]
MH a medical operation to cut the small tube through which a man's sperm passes so that he is unable to produce children
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