petoro

1. (of mixed groups, children) five
   Imaju petoro dece. — They have five children.
   Nas petoro smo išli zajedno na more. — The five of us went to the seaside together.

Used with the genitive plural (petoro ljudi) or with the genitive of a collective noun (petoro dece — dece is the genitive singular of deca), usually for mixed-gender groups or children.