noun, plural my·ot·o·mies. Surgery.
incision of a muscle.
Origin of myotomy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Dissection of the muscles.
Surgical division of a muscle.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.