lyrebird definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
any of a family (Menuridae) of Australian passerine birds: the long tail feathers of the male resemble a lyre when spread
lyrebird definition by American Heritage Dictionary
Either of two Australian birds of the genus Menura, the male of which has long tail feathers that are spread in a lyre-shaped display during courtship.