/ Dictionary / Index C coaler: Meaning and Definition of Find definitions for: coal•er Pronunciation: (kō'lur), [key] — n. a railroad, ship, etc., used mainly to haul or supply coal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. coal cutter coalesce Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language