The term 'Lighthouse Area' is a reference to the area surrounding a lighthouse, which is a structure that emits light from a system of lamps and lenses in order to guide ships at sea. The crossword solution for this term is 'SHORE, ' which refers to the land adjacent to a body of water, such as an ocean or lake. The SHORE is often the area where a lighthouse is located, providing a beacon of light to guide ships safely to their destination.