Breadcrumb Home > Dictionary > Index U UNESCO: Meaning and Definition of Find definitions for: UNESCO Pronunciation: (y-nes'kō), [key] — n. an agency of the United Nations charged with instituting and administering programs for cooperative, coordinated action by member states in education, science, and the arts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unesco (Thesaurus) unerring unessential ✖ Related Content Daily Word Quiz: outr Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language