WordNet sense 1 (the main stem of a tree; usually covered with bark; the bole is usually the part that is commercially useful for lumber):

bole, tree trunk

WordNet sense 2 (the body excluding the head and neck and limbs):

body, torso

WordNet sense 3 (compartment in an automobile that carries luggage or shopping or tools):

luggage compartment, automobile trunk

WordNet sense 4 (a long flexible snout as of an elephant):

proboscis