/ Dictionary / Index C coal field: Meaning and Definition of Find definitions for: coal' field" Pronunciation: [key] an area containing significant coal deposits. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: coalfield (Thesaurus) coalesce coalfish Related Content Daily Word Quiz: jaundice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language