A jet or current of water or vapour directed upon some part of the body to benefit it medicinally; in particular, such a jet directed at the vagina for vaginal irrigation.
Something that produces the jet or current in the previous sense, such as a syringe.
To administer a douche to; to shower; to douse
To use a douche.
The act by which something is drenched; a soaking.
The administering of a medicinal draught to an animal.