- another name for Saint Elmo's fire
C17: from Portuguese corpo-santo, literally: holy body, from Latin corpus sanctum
Examples from the Web for corposant
Corposant, kor′po-zant, n. St Elmo's fire, a ball of fire sometimes seen about a ship during a storm.
I had seen a ship, and there she was to leeward of us, with the corposant clinging to one of her spars.The Log of a Privateersman