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Dictionary


Roll'er Der"by



Trademark.
a contest between two teams on roller skates, held on a circular, usually banked board track, in which the teams race around the track in each unit of play, working to free a teammate or teammates for the opportunity to score by lapping one or more opponents.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

roller coasterroller gate

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