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A grounder that rolls along the infield
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Old World bird that tumbles or rolls in flight; related to kingfishers
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Pigeon that executes backward somersaults in flight or on the ground
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A cylinder that revolves
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A mechanical device consisting of a cylindrical tube around which the hair is wound to curl it
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A small wheel without spokes (as on a roller skate)
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A long heavy sea wave as it advances towards the shore