roller skate

• POS: Verb (usu participle), Noun Phrase
• HYPHEN: roll=er skate

CIDE DICTIONARY

roller skate,  

•  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]
•  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]

THESAURUS

roller skate

coast, flit, flow, fly, glide, glissade, ice-skate, sail, sideslip, skate, skateboard, ski, skid, skim, sled, sleigh, slide, slip, slither, sweep, toboggan