a combining form meaning “cutting, incision” of an organ, “excision” of an object, as specified by the initial element (appendectomy; lithotomy); also occurring in abstract nouns corresponding to adjectives ending in -tomous (dichotomy).
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How to use -tomy in a sentence
But he believed that there were two world-famous Italian doctors named Tracchi and Tomy.Rdan The Devil And Other Stories | Louis Becke
British Dictionary definitions for -tomy
indicating a surgical cutting of a specified part or tissue: lobotomy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012