osmina

1. one eighth
   Skoro osmina stanovništva živi u prestonici. — Almost one eighth of the population lives in the capital.
   Dodaj osminu kašičice soli. — Add an eighth of a teaspoon of salt.
2. (in sport) round of 16
   Naš tim je ispao već u osmini finala. — Our team was knocked out already in the round of 16.
3. (in music) eighth note; quaver
   Ovaj takt počinje sa dve osmine. — This bar starts with two eighth notes.

In sport it is almost always used in osmina finala.