sindikat

1. trade union; labor union
   Sindikat prosvetnih radnika najavio je štrajk. — The teachers' union announced a strike.
   Da li si član sindikata? — Are you a union member?
2. (of crime) syndicate
   Policija je razbila narko-sindikat. — The police broke up a drug syndicate.
3. (in economics) business syndicate; banking syndicate
   Kredit je odobrio sindikat od pet banaka. — The loan was granted by a syndicate of five banks.

In Serbia the word usually means a trade union, not a business cartel.