- 1[countable] the thick main stem of a tree, that the branches grow from
- 2[countable] the space at the back of a car that you put bags, cases, etc. in
- 3[countable] the long nose of an elephant
- 4trunks [plural] = swimming trunks
- 5[countable] a large strong box with a lid used for storing or transporting clothes, books, etc.
- 6[countable, usually singular] the main part of the human body apart from the head, arms, and legs see also torso