A foghorn is a loud horn or alarm that makes a deep, booming sound typically used on ships to warn other vessels of their presence in heavy fog or low visibility conditions. Full definition
Not to mention the sombre and distant sounds of foghorns and their obvious musicality. (theseenjournal.org)
Of course being the oldest functioning maritime chaperone in South Africa does come with certain nasty responsibilities that may warn ships of land through heavy mist but that land heavy sleepers in a foul mood when woken by the bellow of the notorious foghorn in the early hours. (blog.sa-venues.com)
Much appreciated too is the score from Alan Silvestri, ditching the tiresome cliche foghorn blasts to highlight his tentative strings. (wrappartymedia.com)