Source : Webster's Revised Unabridged Dictionary (1913)

Cuban \Cu"ban\ (k?"ban), a.
   Of or pertaining to Cuba or its inhabitants. -- n. A native
   or an inhabitant of Cuba.

Source : WordNet®

Cuban
     adj : of or relating to or characteristic of Cuba or the people of
           Cuba; "Cuban rum"

Cuban
     n : a native or inhabitant of Cuba