leptir

1. butterfly; moth
   Na cvetu u dvorištu sedi veliki žuti leptir. — A big yellow butterfly is sitting on a flower in the yard.
   Deca su u parku jurila leptire. — The children were chasing butterflies in the park.
2. (in swimming) butterfly stroke
   Osvojila je zlato na sto metara leptir. — She won gold in the 100 metres butterfly.
3. (of clothing) bow tie
   Na venčanje je obukao crno odelo i leptir. — He wore a black suit and a bow tie to the wedding.

A bow tie is more often called «leptir-mašna».