Definition of St Elmo’s fire noun from the Oxford Advanced Learner's Dictionary


St Elmo’s fire

BrE BrE//snt ˌelməʊz ˈfaɪə(r)//
; NAmE NAmE//seɪnt ˌelmoʊz ˈfaɪər//
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a bright area that can appear around pointed objects during a storm, caused by electricity in the atmosphere
See the Oxford Advanced American Dictionary entry: St Elmo’s fire