ulcer: Meaning and Definition of
ul•cer
Pronunciation: (ul'sur), [key]
— n.
- a sore on the skin or a mucous membrane, accompanied by the disintegration of tissue, the formation of pus, etc.
- See
- any chronically corrupting or disrupting condition, element, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.