/ Dictionary / Index C coal mine: Meaning and Definition of Find definitions for: coal' mine" Pronunciation: [key] a mine or pit from which coal is obtained. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. coal measures coal oil Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language