from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See Saint Elmo's fire.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An electrical discharge accompanied by a corona of ionization in the surrounding atmosphere
from the GNU version of the Collaborative International Dictionary of English
- n. St. Elmo's fire. See under saint.
from The Century Dictionary and Cyclopedia
- n. A ball of light, supposed to be of an electrical nature, sometimes observed in dark tempestuous nights about the decks and rigging of a ship, but particularly at the mastheads and yard-arms; St. Elmo's light or fire. Also called corpse-light.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an electrical discharge accompanied by ionization of surrounding atmosphere
Portuguese and obsolete Spanish corpo santo, both from Latin corpus sānctum, holy body : corpus, body; see kwrep- in Indo-European roots + sānctus, holy, past participle of sancīre, to consecrate; see sak- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin corpus ("body") + sanctum ("holy") (Wiktionary)