twin-size

or twin-sized

[ twin-sahyz ]

adjective

1. (of a bed) approximately 39 inches (99 centimeters) wide and between 75 and 76 inches (191 and 193 centimeters) long; single.
2. pertaining to or made for a twin-size bed:

   twin-size sheets.

Word History and Origins

Origin of twin-size¹

First recorded in 1925–30

Example Sentences

For Thom Browne by Frette, there will be six twin-size beds made up with the new products, each with a model resting on top.

From New York Times

The seat cushion is a twin-size mattress, so it offers a place to sleep and to hang out.

From Seattle Times

He kept records of his expenses, including the cost of picking up Antonio after he left the shelter, food and clothes when he first arrived, and a twin-size mattress for his shared room.

From New York Times

When I was in high school, my mom found herself between housing situations, and for about a year, she and I shared a twin-size bed at a relative’s home.

From Washington Post

There, he threw out the weather-beaten remains of a wooden dining room table, several dining chairs, kids’ toys and a twin-size mattress.

From Los Angeles Times