zoološki

1. zoological
   Beogradski zoološki vrt je na Kalemegdanu. — Belgrade Zoo is in Kalemegdan.
   Radi u zoološkom muzeju. — He works at a zoological museum.
2. colloq. (used on its own) zoo
   U nedelju vodimo decu u zoološki. — On Sunday we're taking the kids to the zoo.

"Zoo" is zoološki vrt, often shortened to zoološki in speech.