sofa bed

American  

Or sofa-bed,

noun

1. a sofa that can be converted into a bed, either by folding out the seat or by lowering the back to be flush with the seat.

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sofa bed British  

noun

1. a sofa that can be converted into a bed

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Etymology

Origin of sofa bed

First recorded in 1810–20

Example Sentences

A Sofa bed is made up for me in the front Parlour which looks on to the grass plot as you remember Mrs. Dilke’s does.

From Letters of John Keats to His Family and Friends by Keats, John