/ Dictionary / Index C Churchill Reservoir: Meaning and Definition of Find definitions for: Church'ill Res'ervoir Pronunciation: [key] a series of irregularly shaped lakes in W Labrador, Newfoundland, in E Canada: the source of the Churchill River. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Churchillian church invisible Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language