• synonyms


noun, plural co·lec·to·mies. Surgery.
  1. the removal of all or part of the colon or large intestine.
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Origin of colectomy

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for colectomy


noun plural -mies
  1. surgical removal of part or all of the colon
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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.

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Online Etymology Dictionary, © 2010 Douglas Harper

colectomy in Medicine


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