šećerni

1. sugar
   Deca su na vašaru kupila šećernu vunu. — The kids bought cotton candy at the fair.
   U Vojvodini se mnogo gaji šećerna repa. — A lot of sugar beet is grown in Vojvodina.
2. (of diabetes) diabetic
   Deda ima šećernu bolest pa pazi šta jede. — Grandpa has diabetes, so he watches what he eats.
   Šećerni bolesnici treba redovno da mere šećer. — Diabetics should check their blood sugar regularly.

Šećerna bolest is the everyday name for diabetes; šećerna vuna means cotton candy.