pariti

1. (pariti se, of animals) to mate
   Ove ptice se pare u rano proleće. — These birds mate in early spring.
2. (of animals) to mate; to breed
   Odgajivač pari samo pse iste rase. — The breeder only mates dogs of the same breed.
3. to steam
   Uveče pari noge u toploj vodi sa solju. — In the evenings she soaks her feet in warm salty water.
   Parila je lice iznad lonca sa kamilicom. — She was steaming her face over a pot of chamomile.

In the intransitive meaning "to mate" (animals mating with each other) the verb is used with se.