From Longman Dictionary of Contemporary EnglishRelated topics: Airforceair raidˈair raid noun [countable]PMPan attack in which bombs are dropped on a place by planesExamples from the Corpusair raid• One afternoon, after an air raid, one of the students asked me if I knew why the planes came.• The success of their final run depended on a diversionaryair raid.• There were several air raidwarnings in late July but little damage.• Suddenly the sharp, heavysquall of the air raidsirenlashed the silence between them.• Equipment was possibly used to triggerair raid sirens during the Second World War.