trunk

[count] : the thick main stem of a tree — see color picture on this page

[count] : the main part of the human body not including the head, arms, and legs : torso

[count] : the main or central part of something

[count] US : the enclosed space in the back of a car for carrying things — see picture at car

[count] : a large, strong box used for holding clothes or other things especially for traveling

[count] : the long, flexible nose of an elephant

a  : swimming trunks

b  : shorts worn by a boxer