val

1. Croat. (of water) wave
   Valovi su danas jako veliki. — The waves are really big today.
2. Croat. (figurative) wave
   Stigao je novi val gripe. — A new wave of flu has arrived.
3. Croat. (of radio) wavelength; frequency
   Slušate nas na valu 98,9. — You're listening to us on 98.9.

In Serbia the word is talas.