stablo

1. tree
   Oluja je oborila nekoliko stabala u parku. — The storm knocked down several trees in the park.
   Ispred kuće raste staro stablo oraha. — An old walnut tree grows in front of the house.
2. trunk
   Stablo ovog hrasta je veoma debelo. — The trunk of this oak is very thick.
3. (porodično stablo) family tree
   Deda je napravio naše porodično stablo. — Grandpa made our family tree.
4. (in botany) stem
   Biljka ima koren, stablo i listove. — A plant has a root, a stem and leaves.

In everyday speech drvo is more usual for 'tree'; stablo sounds slightly more formal and often focuses on the trunk.