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noun, plural pros·ta·tec·to·mies. Surgery.
  1. excision of part or all of the prostate gland.
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Origin of prostatectomy

First recorded in 1885–90; prostate + -ectomy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for prostatectomy


noun plural -mies
  1. surgical removal of all or a part of the prostate gland
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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

prostatectomy in Medicine


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