'Na-Dene' definitions:

Definition of 'Na-Dene'

(from WordNet)
noun
A family of North American Indian languages

Definition of 'Na-dene'

From: GCIDE
  • Na-dene \Na-dene\ prop. n. A family of North American Indian languages including Tlingit, the Athabascan language family, and Haida. [WordNet 1.5]