WordReference Random House Learner's Dictionary of American English © 2026
ap•pen•dec•to•my /ˌæpənˈdɛktəmi/USA pronunciation
n. [countable], pl. -mies.
WordReference Random House Unabridged Dictionary of American English © 2026- Surgerysurgical removal of the human appendix.
ap•pen•dec•to•my
(ap′ən dek′tə mē),USA pronunciation n., pl. -mies. [Surg.]
- Surgeryexcision of the vermiform appendix.
- append(ix) + -ectomy 1890–95
'appendectomy' also found in these entries (note: many are not synonyms or translations):