vesicostomy

[vĕs′ĭ-kŏstə-mē]
n.
  1. Surgical creation of a stoma between the anterior bladder wall and the skin of the lower abdomen, for temporary or permanent lower urinary tract diversion.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.