/ Dictionary / Index A Avestan: Meaning and Definition of Find definitions for: A•ves•tan Pronunciation: (u-ves'tun), [key] — n. an ancient East Iranian language of the Indo-European family, the language of all the Avesta but the Gathas. Cf. Gathic (def. 1). —adj. of or pertaining to the Avesta or its language. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: avestan (Thesaurus) Avesta Aveyron 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