pregrada

1. partition; dividing wall
   Između kuhinje i dnevne sobe postavili smo pregradu. — We put up a partition between the kitchen and the living room.
2. (in a bag, drawer) compartment
   Ključevi su u maloj pregradi torbe. — The keys are in the small compartment of the bag.
   Novčanik ima posebnu pregradu za kartice. — The wallet has a separate compartment for cards.
3. (between people, groups) barrier; divide
   Između njih je postojala nevidljiva pregrada. — There was an invisible barrier between them.
   Društvene pregrade teško se ruše. — Social barriers are hard to break down.

Literally pregrada is a partition or compartment; a physical street barrier is usually ograda, barikada or blokada.