Meaning of cystostomy

cys•tos•to•my

Pronunciation: (si-stos'tu-mē), [key]
— pl. -mies.
  1. the construction of an artificial opening from the bladder through the abdominal wall, permitting the drainage of urine.
  2. the opening so constructed.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.