lightship
/ˈlaɪtˌʃɪp/
noun
- A ship that stays in one place at sea and uses a bright light to warn other ships of danger or to guide them, especially near a harbor or dangerous area.
- The old lightship was anchored near the rocky coast to warn sailors of the shallow waters.
- Before modern GPS, a lightship was essential for safe navigation in foggy weather.
- Tourists can visit the historic lightship docked at the maritime museum.
Synonyms