borovnica

1. (of the berry) bilberry; blueberry
   Kupila sam kutiju borovnica na pijaci. — I bought a box of blueberries at the market.
   Za doručak jedem jogurt sa borovnicama. — For breakfast I eat yogurt with blueberries.
2. (of the plant) bilberry bush; blueberry bush
   Na Zlatiboru ima mnogo borovnica u šumi. — There are lots of bilberry bushes in the woods on Zlatibor.

Borovnica covers both the wild European bilberry and the cultivated blueberry; the word itself does not distinguish them.