/en"euh meuh/ , n. Med.
1. the injection of a fluid into the rectum to cause a bowel movement.
2. the fluid injected.
3. Also called enema bag . a rubber bag or other device for administering an enema.
[ 1675-85; en- EN- 2 + ( h ) e- (s. of hiénai to throw) + -ma n. suffix ]