The noun couch has 3 senses (first 1 from tagged texts)
1. (5) sofa, couch, lounge -- (an upholstered seat for more than one person)
2. couch -- (a flat coat of paint or varnish used by artists as a primer)
3. couch -- (a narrow bed on which a patient lies during psychiatric or psychoanalytic treatment)
Overview of verb couch
The verb couch has 1 sense (first 1 from tagged texts)
1. (1) frame, redact, cast, put, couch -- (formulate in a particular style or language; "I wouldn't put it that way"; "She cast her request in very polite language")