sklapati

1. (a deal, marriage, friendship) to conclude; to make; to enter into
   Naša firma često sklapa ugovore sa stranim partnerima. — Our company often signs contracts with foreign partners.
   Sve manje mladih sklapa brak pre tridesete. — Fewer and fewer young people marry before thirty.
2. to assemble; to put together
   Već dva sata sklapam ormar iz Ikee. — I've been assembling an IKEA wardrobe for two hours.
3. (an umbrella, chair, map) to fold; to fold up
   Posle proslave smo sklapali stolice i nosili ih u podrum. — After the party we folded up the chairs and carried them to the basement.
4. (eyes, a book, hands) to close; to join
   Svako veče sklapam knjigu tek iza ponoći. — Every night I close my book only after midnight.
   Deca sklapaju ruke dok se mole. — The children fold their hands as they pray.

The perfective is sklopiti; for eyes closing on their own use sklapati se: oči mi se sklapaju.