/ Dictionary / Index G Gathic: Meaning and Definition of Find definitions for: Ga•thic Pronunciation: (gä'tik), [key] — n. an ancient Iranian language of the Indo-European family; the language in which the Gathas were written. Cf. Avestan. —adj. of, pertaining to, or expressed in this language. of or pertaining to the Gathas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gathic (Thesaurus) gathering Gatineau Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language