ignis fatuus

== English == === Etymology === From New Latin ignis fatuus (literally “foolish fire”). === Pronunciation === IPA(key): /ˈɪɡnɪs ˈfætjuːəs/ === Noun === ignis fatuus (plural ignes fatui) (folklore) A will o' the wisp. (figuratively) A delusion, a false hope. ==== Translations ====