From Longman Dictionary of Contemporary Englisha bowel movementa bowel movementformalHBH the act of getting rid of solid waste from your body → bowel
Examples from the Corpus
a bowel movement• Some patients may have recorded an episode of faecal incontinence as a bowel movement, before the beginning of retraining.• How often an individual has a bowel movement is related to a number of factors.• Q: I have a bowel movement once a week.• Although it isn't necessary for a person to have a bowel movement every day, regular movements should be encouraged. 