A tall structure, typically a tower, equipped with a powerful light that is used to guide ships at sea by warning them of dangerous areas or directing them to safe entry points.

The lighthouse stood majestically on the cliff, its beam sweeping across the dark ocean to guide the ships safely to shore.

A person or thing that provides guidance or inspiration.

Throughout difficult times, her mentor served as a lighthouse for her career.

lighthouseadjective

Relating to, situated at, or designed for a lighthouse.

The lighthouse keeper performed the nightly maintenance on the lighthouse lamp.