OSTYAK Meaning of OSTYAK in English Ostyak BrE AmE ˈɒst jæk ˈɒst i æk AmE \ ˈɑːst jɑːk -i ɑːk, -æk ▷ Ostyak|s s Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012