trunk

Concise Oxford English Dictionary © 2008 Oxford University Press:
trunk/trʌŋk/

▶noun

• 1 the main woody stem of a tree as distinct from its branches and roots.

  ■ the main part of an artery, nerve, or other structure from which smaller branches arise.

• 2 a person's or animal's body apart from the limbs and head.

• 3 the elongated, prehensile nose of an elephant.

• 4 a large box with a hinged lid for storing or transporting clothes and other articles.

• 5 N. Amer. the boot of a car.

• 6 [as modifier] relating to the main routes of a transport or communication network: a trunk road.

– derivatives
trunkful noun (pl. trunkfuls),
trunkless adjective.

– origin ME: from OFr. tronc, from L. truncus.