vir

1. (of water) whirlpool; deep pool
   Nemoj da plivaš tamo, ima opasan vir. — Don't swim there, there's a dangerous whirlpool.
   Čamac je upao u vir i prevrnuo se. — The boat got caught in a whirlpool and capsized.
2. (figurative) whirl; vortex
   Uhvatio ga je vir problema i dugova. — He got caught in a whirl of problems and debts.