bilberry n erect European blueberry having solitary flowers and blue-black berries n erect blueberry of western United States having solitary flowers and somewhat sour berries n blue-black berries similar to American blueberries Usage(s) I would not care a bilberry for posterity. Fried camembert with bilberry sauce and fabulous homemade chocolate desserts are the menu's shining stars, along with several varieties of paella. Synonym(s) whortleberry whinberry blaeberry Viccinium myrtillus thin-leaved bilberry mountain blue berry Viccinium membranaceum European blueberry