bowel movement

English Thesaurus

1. a euphemism for defecation (noun.process)

hypernym	:	defecation, laxation, shitting,
definition	:	the elimination of fecal waste through the anus (noun.process)

domain usage	:	euphemism,
definition	:	an inoffensive or indirect expression that is substituted for one that is considered offensive or too harsh (noun.communication)