zob

1. oats
   Konji najviše vole zob. — Horses like oats best.
   Ove godine smo posejali zob na celoj njivi. — This year we sowed oats over the whole field.

The word is feminine (ova zob). The adjective is zobeni, but for food products the usual Serbian term is ovseni: ovsene pahuljice (rolled oats), ovsena kaša (porridge).