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Meaning of dollarbird

dol•lar•bird

Pronunciation: (dol'ur-bûrd"), [key]
— n.
  1. a common roller, Eurystomus orientalis, of Asia and Australia, having on its wings a silvery spot the size of a dollar.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.