A large vessel is a type of SHIP that is typically used for transporting goods or passengers over long distances. The crossword solutions for the term 'large vessel' include VAT (3 letters), SHIP (4 letters), ARK (3 letters), CASK (4 letters), AORTA (5 letters), JORUM (5 letters), and OILTANKER (9 letters). VAT, SHIP, ARK, and CASK are all types of ships, while AORTA and JORUM are both types of containers used to store liquids. An oil tanker is a type of large vessel specifically designed to transport oil.