noun, plural ig·nes fat·u·i [ig-neez fach-oo-ahy] /ˈɪg niz ˈfætʃ uˌaɪ/.
Origin of ignis fatuus
Examples from the Web for ignis fatuus
A point of light appeared between her and the bridge, flickering about like an ignis-fatuus or jack-o'-lantern.Through Forest and Fire|Edward Ellis
The illusion was gone,—the ignis-fatuus of adventure, the dream of wealth.
Even now a specialist in theology will lead us, if he can, a merry "ignis-fatuus" chase and land us in a morass.Little Journeys To the Homes of the Great, Volume 3 (of 14)|Elbert Hubbard
Will-o'-the-wisp, wil′-o-the-wisp′, n. the ignis-fatuus: any deluding person or thing.
We will not dwell on other instances of ignis-fatuus, a phenomenon so common as to be known to all.The Catholic World; Volume I, Issues 1-6|E. Rameur