/ Dictionary / Index C councillor: Meaning and Definition of Find definitions for: coun•cil•lor Pronunciation: (koun'su-lur, -slur), [key] — n. councilor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: councillor (Thesaurus) Council for Mutual Economic Assistance councilman Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language