enema /ˈɛn.ə.mə/noun 3verb 1forms 4 noun3 •An injection of fluid into the large intestine by way of the rectum, usually for medical purposes.To the distensile enema of simple tepid water, no valid objection can be urged. — 1875 •A device for administering such an injection. •The fluid so injected. verb1 •To administer an enema.It's common to enema before anal sex. formsenemaed · enemaing · enemas · enemata