/ Dictionary / Index A Achaea: Meaning and Definition of Find definitions for: A•chae•a Pronunciation: (u-kē'u), [key] — n. an ancient district in S Greece, on the Gulf of Corinth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: achaea (Thesaurus) Achad Achaean Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language