Definition of couch noun from the Oxford Advanced Learner's Dictionary

     

    couch

     noun
    noun
    BrE BrE//kaʊtʃ//
     
    ; NAmE NAmE//kaʊtʃ//
     
    Furniture
     
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  1. 1a long comfortable seat for two or more people to sit on synonym settee, sofa See related entries: Furniture
  2. 2a long piece of furniture like a bed, especially in a doctor’s office on the psychiatrist’s couch
  3. Word Origin Middle English (as a noun denoting something to sleep on; as a verb in the sense ‘lay something down’): from Old French couche (noun), coucher (verb), from Latin collocare ‘place together’, from col- ‘together’ + locare ‘to place’.Extra examples He was sprawled on the living-room couch watching TV. He’s turned into a real couch potato since he subscribed to the sports channel. She settled down to read on the huge, overstuffed couch. She spends several hours a week on the psychiatrist’s couch. The room contained an old worn couch. They sat down on the wide couch. You can sleep on the pull-out couch.
See the Oxford Advanced American Dictionary entry: couch