Foghorn
[n] a warning device consisting of a horn that generates a loud low tone
[n] a loud low warning signal that can be heard by fog-bound ships
Related Information
Related Terms
aid to navigation, air-raid alarm, alarm, alarm bell, alarm clock, alarm signal, alarum, alert, all clear, amber light, balefire, beacon, beacon fire, bell, bell buoy, blinker, blinking light, blue peter, buoy, burglar alarm, buzzer, caution light, crosta