Definition of "Trunk" :

noun: a long flexible snout as of an elephant

noun: compartment in an automobile that carries luggage or shopping or tools

"He put his golf bag in the trunk."

noun: luggage consisting of a large strong case used when traveling or for storage

noun: the body excluding the head and neck and limbs

noun: the main stem of a tree; usually covered with bark; the bole is usually the part that is commercially useful for lumber