/ Dictionary / Index O Ostyak: Meaning and Definition of Find definitions for: Os•ty•ak Pronunciation: (os'tē-ak"), [key] — pl. -aks, -ak. Khanty. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ostyak (Thesaurus) Ostwald Oswald Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language