Meaning of pyloroplasty

py•lo•ro•plas•ty

Pronunciation: (pī-lôr'u-plas"tē, -lōr'-, pi-), [key]
— n.
  1. the surgical alteration of the pylorus, usually a widening to facilitate the passage of food from the stomach to the duodenum.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.