nabrati

1. (of forehead, brows, nose) to wrinkle; to knit
   Nabrao je čelo i počeo da razmišlja. — He wrinkled his forehead and started thinking.
   Kad je osetila miris, nabrala je nos. — When she smelled it, she wrinkled her nose.
2. (of flowers, berries, mushrooms) to pick; to gather
   Deca su nabrala buket cveća za mamu. — The kids picked a bunch of flowers for their mom.
   U šumi smo nabrali punu korpu pečuraka. — We gathered a full basket of mushrooms in the woods.
3. (of fabric) to pleat; to gather
   Krojačica je nabrala suknju oko struka. — The seamstress gathered the skirt at the waist.

The imperfective is nabirati; nabrati se means to wrinkle up or gather into folds.