starina

1. (of an object) antique
   Moj otac skuplja starine sa buvljaka. — My father collects antiques from the flea market.
   Ovaj sat je prava starina. — This clock is a real antique.
2. colloq. affect. (of a man) old man; buddy
   Šta ima, starino, dugo se nismo videli! — What's up, old man, long time no see!
3. formal antiquity; olden times
   Ovaj običaj potiče iz davne starine. — This custom dates back to ancient times.

In the sense of an object it is often plural: starine. In the sense 'old man' the noun is masculine (moj starina), vocative starino; in senses 1 and 3 it is feminine.