KoryakPronunciation: /ˈkɒrjak/Definition of Koryak noun (plural same or Koryaks) 1a member of an indigenous people of the northern Kamchatka peninsula. 2 [mass noun] the language of the Koryak, which has about 5,000 speakers and is related to Chukchi. adjective relating to the Koryaks or their language. Origin:from Russian koryaki (plural)