/ Dictionary / Index D deco: Meaning and Definition of Find definitions for: dec•o Pronunciation: (dek'ō, dā'kō, dā-kō'), [key] — n. See —adj. of, pertaining to, or suggestive of art deco design: The new wallpaper gives the foyer a deco look. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: deco (Thesaurus) declutch decoct Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language