noun, plural lobectomies. Surgery.
excision of a lobe of an organ or gland.

1910–15; lobe + -ectomy

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World English Dictionary
lobectomy (ləʊˈbɛktəmɪ)
n , pl -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 10th Edition
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American Heritage
Medical Dictionary

lobectomy lo·bec·to·my (lō-běk'tə-mē)
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.
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Example sentences
Removal of one of the lobes of the lung is called lobectomy.
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