Webster's Writer's Dictionary

DOUCHE

Douche [F., fr. It. doccia, fr. docciare to flow, pour, fr. an assumed LL. ductiare, fr. L. ducere, ductum, to lead, conduct (water). See Duct.]

1. A jet or current of water or vapor directed upon some part of the body to benefit it medicinally; a douche bath.

2. (Med.)

A syringe.