noun🔗ShareПротивотуманная сиренаA very loud low-pitched horn, used especially in lighthouses and on large boats."The foghorn's mournful sound warned sailors of the rocky shoals. "Скорбный звук противотуманной сирены предупреждал моряков о скалистых отмелях.nauticalsoundtechnologyvehiclecommunicationsignalenvironmentweathermachineChat with AIVocabulary GamePractice Reading