Lighthouse (noun)

1. A tower or structure that houses a beacon light used to guide ships and boats at sea.
2. A symbol of guidance and direction.

Origin:

Derived from middle english 'lyghthous' meaning 'a place where a light is kept'. first recorded in english in the 14th century.

Examples:

1. The lighthouse on the cliff guided the ships safely into the harbor.
2. The lighthouse was a familiar sight to sailors on the open sea.
3. The lighthouse served as a beacon for lost ships.
4. The lighthouse was a symbol of hope for the sailors.
5. The lighthouse was a valuable resource for the fishermen.