/ Dictionary / Index C colliery: Meaning and Definition of Find definitions for: col•lier•y Pronunciation: (kol'yu-rē), [key] — pl. -lier•ies. a coal mine, including all buildings and equipment. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: colliery (Thesaurus) collier collieshangie Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language