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Meaning of gastric ulcer

gas'tric ul'cer

Pronunciation: [key]
— Pathol. Pathol.
  1. a peptic ulcer located in the stomach's inner wall, caused in part by the corrosive action of the gastric juice on the mucous membrane.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.