sofa bed

or sofa-bed, so·fa·bed

See synonyms for sofa bed on Thesaurus.com
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.

Origin of sofa bed

1
First recorded in 1810–20
  • Also called so·fa-sleep·er, so·fa/sleep·er [soh-fuh-slee-per]. /ˈsoʊ fəˌsli pər/.

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How to use sofa bed in a sentence

British Dictionary definitions for sofa bed

sofa bed

noun
  1. a sofa that can be converted into a bed

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012