noun, plural cos·tec·to·mies. Surgery.
excision of part or all of a rib.
Origin of costectomy
Also called thoracectomy.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Excision of a rib.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.