roller skate

. 1. a shoe with a set of wheels attached so that the wearer can glide over a flat surface. To move on such a device is reverred to as to skate or to rollerskate. To rollerskate is a form of recreation or sport. [ PJC ]

2. a metal frame of the size of a shoe, with a set of wheels attached, and with adjustable clamps and straps that permit a shoe to be reversibly fastened to the frame. It serves the same purpose as the roller skate having the shoe permanently attached, but is typically less expensive. [ PJC ]