I. couch 1 /kaʊtʃ/ BrE AmE noun [countable]
[ Date: 1300-1400 ; Language: French ; Origin: couche , from coucher 'to lie' , from Latin collocare 'to put in place' ; ⇨ ↑ collocate ]
1 . a comfortable piece of furniture big enough for two or three people to sit on SYN sofa , settee :
Tom offered to sleep on the couch.
2 . a long narrow bed for a doctor’s or ↑ psychiatrist 's patients to lie on
II. couch 2 BrE AmE verb
be couched in something formal to be expressed in a particular way:
The offer was couched in legal jargon.