the main stem of a tree; the human body (not the head, arms or legs; a large box with a hinged lid; the long nose of an elephant; boot
body, core
Cases of word usage
1) a large branch growing from the trunk of a tree (bough)
2) a part of a tree growing out from the trunk or a bough (branch)
3) (a drawing of) a piece or slice made by cutting across e.g. a tree trunk (cross-section)
4) a very large four-footed animal, with curved tusks and a long trunk (elephant)
5) a part of a tree remaining in the ground when the trunk has fallen or has been cut; to walk with stiff, heavy movements; to be too difficult for (a person) (stump)