noun, plural u·re·thros·to·mies. Surgery.
the construction of an artificial opening from the urethra through the perineum, permitting the passage of urine.
the opening so constructed.
Origin of urethrostomy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Surgical construction of an artificial excretory opening from the urethra.
The opening that is created by such a procedure.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.