will-o-the-wisp (n.)

  1. a pale light sometimes seen at night over marshy ground

    [ Syn: friars lantern , ignis fatuus , jack-o-lantern , will-o-the-wisp ]

  2. an illusion that misleads

    [ Syn: will-o-the-wisp , ignis fatuus ]

The dictionary is based on the WordNet Electronic Lexical Database.
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