noun
- loud warning horns used on ships, boats, or at lighthouses to signal their presence in foggy conditions
Usage: nautical; plural of foghorn
Examples
- The foghorns blared throughout the night as ships navigated the harbor.
- We could hear the distant foghorns warning vessels of the rocky coastline.
- The lighthouse keeper tested the foghorns every morning.
- Thick fog rolled in, prompting all the boats to sound their foghorns.
- The deep, mournful sound of foghorns echoed across the bay.
- Maritime regulations require ships to use foghorns in low visibility conditions.