noun, plural co·lec·to·mies. Surgery.

the removal of all or part of the colon or large intestine.

Origin of colectomy Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for colectomy


noun plural -mies

surgical removal of part or all of the colon
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

Word Origin and History for colectomy

1882, from colon (n.2) + -ectomy.

Online Etymology Dictionary, © 2010 Douglas Harper

colectomy in Medicine




Surgical removal of part or all of the colon.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.