in-line skate

English Thesaurus

1. a shoe with a line of rollers fixed to the sole (noun.artifact)

hypernym	:	skate,
definition	:	sports equipment that is worn on the feet to enable the wearer to glide along and to be propelled by the alternate actions of the legs (noun.artifact)

hyponym	:	rollerblade,
definition	:	(trademark) an in-line skate (noun.artifact)