Main Entry: Saint El·mo's fire

Pronunciation: \ˈsānt-ˈel-(ˌ)mōz-\

Function: noun

Etymology: St. Elmo (Erasmus) †303 Italian bishop & patron saint of sailors

Date: 1753

: a flaming phenomenon sometimes seen in stormy weather at prominent points on an airplane or ship and on land that is of the nature of a brush discharge of electricity —called also Saint Elmo's light