noun

1. a jet of liquid applied externally or internally to some part of the body, esp. as a bath or treatment
2. a bath or treatment of this kind; esp., a stream of water, often containing a special preparation, introduced into the vagina to cleanse it
3. a device for douching

Etymology: Fr < It doccia, shower bath, orig., conduit, back-form. < doccione, water pipe < L ductio, a leading away < ductus: see duct

transitive verb, intransitive verb douched, douching douch′·ing