roller skate

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roller skate

a device having clamps and straps for fastening to a boot or shoe and four small wheels that enable the wearer to glide swiftly over a floor or other surface
References in periodicals archive ?
Posh is in talks with Andrew Lloyd Webber to slip into her roller-skates and star in a film version of Starlight Express.
Passersby know the place by the big brown sign out front depicting a roller-skate shoe; the building's brick exterior is otherwise rather plain.
Now, researchers at Carnegie-Mellon University in Pittsburgh have designed and built a kind of Manute Bol of robots--a tall, slender machine poised precariously on a roller-skate base.