bilberry
noun /ˈbɪlbəri/
  /ˈbɪlberi/
(also whortleberry 
  /ˈwɜːtlberi/,  /ˈwɜːtlbəri/
  /ˈwɜːrtlberi/
)(plural bilberries, whortleberries)
- a small dark blue berry that grows on bushes on hills and in woods in northern Europe and can be eaten. The bush is also called a bilberry. compare blueberryWord Originlate 16th cent.: probably of Scandinavian origin; compare with Danish bøllebær.