Foghorn

/fˈɒɡhɔːn/

/fˈɑːɡhɔːɹn/

Foghorn

a device that produces a loud sound, used in fog to warn ships of their position and prevent collisions

a loud low warning signal that can be heard by fogbound ships

synonyms : fogsignal

Examples

1. They used this foghorn.

2. They mounted the world's loudest foghorns which on a foggy day would blow every 29 seconds.

3. You can hear a foghorn miles away.

4. This call involves a grunt like a foghorn followed by higher frequency boops.