/ Dictionary / Index C cock-of-the-rock: Meaning and Definition of Find definitions for: cock-of-the-rock Pronunciation: (kok'uv-u-rok'), [key] — pl. cocks-of-the-rock. 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. See also: cock-of-the-rock (Thesaurus) cockneyism cock of the walk Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language