Source : Webster's Revised Unabridged Dictionary (1913)

Whinberry \Whin"ber*ry\, n. (Bot.)
   The English bilberry; -- so called because it grows on moors
   among the whins, or furze. --Dr. Prior.

Source : WordNet®

whinberry
     n : erect European blueberry having solitary flowers and
         blue-black berries [syn: {bilberry}, {whortleberry}, {blaeberry},
          {Viccinium myrtillus}]