TlingitPronunciation: /ˈklɪŋkɪt, ˈklɪŋgɪt, ˈtlɪŋ-/Definition of Tlingit noun (plural same or Tlingits) 1a member of an American Indian people of the coasts and islands of SE Alaska. 2 [mass noun] the language of the Tlingit, which has about 2,000 surviving speakers. adjective relating to the Tlingit or their language. Origin:the name in TlingitTlingit in other Oxford dictionaries Definition of Tlingit in the US English dictionary