noun, plural lo·bec·to·mies. Surgery.

excision of a lobe of an organ or gland.

Nearby words

  1. lobbygow,
  2. lobbying,
  3. lobbyist,
  4. lobe,
  5. lobe-finned fish,
  6. lobed,
  7. lobefin,
  8. lobelia,
  9. lobelia family,
  10. lobeliaceous

Origin of lobectomy

First recorded in 1910–15; lobe + -ectomy

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for lobectomy


noun plural -mies

surgical removal of a lobe from any organ or gland in the body, esp removal of tissue from the frontal lobe of the brain in an attempt to alleviate mental disorder
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

Medicine definitions for lobectomy




Excision of a lobe of an organ or a gland.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.