roller skate
US /ˈroʊlər skeɪt/
UK /ˈroʊlər skeɪt/
1.
a boot with a set of four small wheels attached to the bottom, used for gliding over a hard surface
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She put on her roller skates and glided down the street.
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He learned to ride a bike before he learned to use roller skates.
1.
to move on roller skates
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They love to roller skate at the park on weekends.
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She learned to roller skate when she was five years old.