prepona

1. (often plural) groin
   Fudbaler je povredio preponu na treningu. — The footballer injured his groin in training.
   Oseća bol u preponama kad trči. — He feels pain in his groin when he runs.
2. (in sports) hurdle; jump
   Ona trči sto metara s preponama. — She runs the 100 metres hurdles.
   Konj je oborio poslednju preponu. — The horse knocked down the last jump.
3. obstacle; hurdle
   Projekat je savladao i poslednju preponu. — The project has cleared its last hurdle.

In the sense "groin" it is usually plural: prepone.