/ Dictionary / Index A art deco,: Meaning and Definition of Find definitions for: art' dec'o Pronunciation: [key] a style of decorative art developed originally in the 1920s with a revival in the 1960s, marked chiefly by geometric motifs, curvilinear forms, sharply defined outlines, often bold colors, and the use of synthetic materials, as plastics. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Artaxerxes II art director Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language