/ Dictionary / Index C cock of the walk: Meaning and Definition of Find definitions for: cock' of the walk' Pronunciation: [key] the leader in a group, esp. one with a conceited, domineering manner. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cock-of-the-rock cock of the woods 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