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Meaning of cock-of-the-rock

cock-of-the-rock

Pronunciation: (kok'uv-u-rok'), [key]
— pl. cocks-of-the-rock.
  1. a brilliant orange-red bird of the genus Rupicola, of northern South America, having an erect crest that conceals the bill.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.