/ Dictionary / Index A Accadian: Meaning and Definition of Find definitions for: Ac•ca•di•an Pronunciation: (u-kā'dē-un, u-kä'-), [key] — n., adj. Akkadian. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Accad ACCD Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language