Dictionary
ir'ritable bow'el syn"drome
Pathol.
any combination of common disturbances of the bowel, as diarrhea or constipation, occurring with abdominal pain, sometimes accompanied by psychological stress.
Abbr.: IBS Also called
ir'ritable co'lon, spastic colon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.