the surgical removal of one or both testicles; castration
Word origin
orchi- + -ectomy
orchiectomy in American English
(ˌɔrkiˈektəmi)
nounWord forms: plural-mies
Surgery
excision of one or both testes; castration
Also: orchectomy, orchidectomy
Word origin
[orchi- + -ectomy]-ectomy is a combining form meaning “excision” of the part specified by the initial element,used in the formation of compound words. Other words that use the affix -ectomy include: endarterectomy, lymphadenectomy, sympathectomy, topectomy, vitrectomy