| 1. | a couch that can be used as a sofa by day and a bed by night. |
| 2. | a couch, esp. of the 17th or 18th century, in the form of a usually armless chair, with a greatly elongated seat supported by extra legs and a slanted, sometimes hinged, back, used for reclining or sleeping during the day. |
| day bed or day·bed (dā'běd') n. A couch or sofa that is convertible into a bed. |