/ Dictionary / Index A Ayuthea: Meaning and Definition of Find definitions for: A•yu•the•a Pronunciation: (ä-y'thē-ä", -thē-u Thai. ä-y'tē-ä), [key] — n. a city in central Thailand, on the Chao Phraya: former national capital. 40,000. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Ayurveda AZ Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language