What is "trundle bed"

n. A low bed, designed to be rolled/stored away, usually on casters, under a higher bed, e.g. for temporary use by guests.

n. a low bed to be slid under a higher bed [syn: trundle, truckle bed, truckle]

A Truckle bed (or trundle bed)) is a bed that is stored under a normal bed, and that can be wheeled out for use by visitors.