from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A phosphorescent light that hovers or flits over swampy ground at night, possibly caused by spontaneous combustion of gases emitted by rotting organic matter.
- noun Something that misleads or deludes; an illusion.
from The Century Dictionary.
- A meteoric light that sometimes appears in summer and autumn nights, and flits in the air a little above the surface of the earth, chiefly in marshy places, near stagnant waters, or in churchyards.
from the GNU version of the Collaborative International Dictionary of English.
- A phosphorescent light that appears, in the night, over marshy ground, supposed to be occasioned by the decomposition of animal or vegetable substances, or by some inflammable gas; -- popularly called also
Will-with-the-wisp, or Will-o'-the-wisp, and Jack-with-a-lantern, or Jack-o'-lantern.
- Fig.: A misleading influence; a decoy.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
will o' the wisp.
- noun figuratively A delusion, a false hope.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun an illusion that misleads
- noun a pale light sometimes seen at night over marshy ground
from The American Heritage® Dictionary of the English Language, 4th Edition
[Medieval Latin : Latin ignis, fire + Latin fatuus, foolish.]
from Wiktionary, Creative Commons Attribution/Share-Alike License
Modern Latin, from ignis (meaning "fire") + fatuus (meaning "foolish"). Literally "foolish fire".
Sorry, no example sentences found.