noun, plural cys·tos·to·mies. Surgery.
  1. the construction of an artificial opening from the bladder through the abdominal wall, permitting the drainage of urine.
  2. the opening so constructed.

Origin of cystostomy

First recorded in 1905–10; cysto- + -stomy Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

cystostomy in Medicine


  1. The surgical formation of an opening into the urinary bladder.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.