prisloniti

1. (uz/na + acc.) to lean; to prop; to press against
   Prislonio je bicikl uz zid. — He leaned the bike against the wall.
   Prislonila je uvo na vrata. — She pressed her ear to the door.
2. (prisloniti se) to lean against
   Prislonio se uz drvo i zaspao. — He leaned against a tree and fell asleep.

Usually with uz or na + accusative.