Source : Webster's Revised Unabridged Dictionary (1913)

Highland \High"land\, n.
   Elevated or mountainous land; (often in the pl.) an elevated
   region or country; as, the Highlands of Scotland.

   {Highland fling}, a dance peculiar to the Scottish
      Highlanders; a sort of hornpipe.

Source : WordNet®

highland
     adj : used of high or hilly country [syn: {upland}, {highland(a)}]
           [ant: {lowland}]

highland
     n : elevated (e.g., mountainous) land [syn: {upland}] [ant: {lowland}]