noun
- a ship equipped with a powerful light and anchored in a dangerous area to warn other vessels
Usage: nautical
Examples
- The lightship guided vessels safely through the treacherous waters.
- Before modern navigation systems, lightships marked dangerous reefs and shoals.
- The old lightship was replaced by an automated lighthouse.
- Sailors relied on the lightship’s beacon during foggy nights.
- The historic lightship is now a museum exhibit.
- Coast Guard crews maintained the lightship year-round.