Meaning of studio couch

stu'dio couch"

Pronunciation: [key]
  1. an upholstered couch, usually without a back, convertible into a double bed by sliding a bed frame out from beneath it and covering the frame with the mattress that forms the upper thickness of the upholstery.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.