The term 'SEAPORT' is a 7-letter crossword solution for the term 'TOWN WITH HARBOUR FOR LARGE VESSELS'. A SEAPORT is a port or harbour located near a body of water, such as an ocean, sea, or lake, which is used for the transportation of goods and services. Seaports are often used by large vessels, such as cargo ships, tankers, and cruise ships, to dock and unload their cargo. Seaports are also used for recreational activities, such as fishing and sailing.