twin–size

adjective \ˈtwin-ˈsīz\

of a bed : having a size of 39 inches by 75 inches (about 1.0 by 1.9 meters)

Full Definition of TWIN-SIZE

: having dimensions of 39 by 75 inches (about 1.0 by 1.9 meters) —used of a bed — compare full-size, king-size, queen-size

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twin bed

First Known Use: 1926

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