Murphy bed and Sofa bed

Murphy bed noun - A bed that can be folded or swung into a cabinet when not being used.

Sofa bed and Murphy bed are semantically related. In some cases you can use "Sofa bed" instead a noun phrase "Murphy bed".

Sofa bed noun - A sofa that can be converted into a bed.

Murphy bed and sofa bed are semantically related. You can use "Murphy bed" instead a noun phrase "Sofa bed".