Dictionary![]() ![]() grebePronunciation: (grēb), [key] —n. any diving bird of the family Podicipedidae, related to the loons, but having a rudimentary tail and lobate rather than webbed toes. Cf. great crested grebe, pied-billed grebe. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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