/ Dictionary / Index R rock-fill dam: Meaning and Definition of Find definitions for: rock'-fill dam' Pronunciation: (rok'fil"), [key] a dam built mainly of rocks of various sizes fitted compactly together. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rock fever rockfish Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language