corposant Meaning, Definition & Usage

  1. noun an electrical discharge accompanied by ionization of surrounding atmosphere
    Saint Ulmo's light; Saint Elmo's light; St. Elmo's fire; Saint Ulmo's fire; corona discharge; corona; Saint Elmo's fire; electric glow.

WordNet

Cor"po*sant noun
Etymology
It. corpo santo holy body.
Definitions
  1. St. Elmo's fire. See under Saint.

Webster 1913