Source : Webster's Revised Unabridged Dictionary (1913)

Dane \Dane\, n. [LL. Dani: cf. AS. Dene.]
   A native, or a naturalized inhabitant, of Denmark.

   {Great Dane}. (Zo["o]l.) See {Danish dog}, under {Danish}.

Source : WordNet®

Great Dane
     n : very large powerful smooth-coated breed of dog