The term 'LINER STOP' can be broken down into two crossword solutions: PORT (4 letters) and ISLE (4 letters). A PORT is a place where ships, boats, and liners dock and unload cargo and passengers. An ISLE is a small island, usually located in a body of water such as a lake or sea. Therefore, the term 'LINER STOP' can be interpreted as a place where a liner, or large passenger ship, docks and unloads passengers and cargo.