an upholstered couch, usually backless, convertible into a double bed
WordReference Random House Unabridged Dictionary of American English © 2026
stu′dio couch′,
- Furniturean 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.
- 1935–40, American.
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