Top Definition
Will-o'-the-wisp also known as will~o~wisp or simply as wisp and willow .was thought to be a spirit or soul dwelling mostly on cemetery ground or swamps .

Now thought to be gasses emitted by decomposing biological matter and inflaming on contact with air thus generating small dancing flames or lights .

This phenomenon spawned a cartoon series called Willow the wisp , where a friendly spirit told children about fantastic tales that happened in a mysterious dark forest .
Will-o'-the-wisp is a spirit dwelling in dark places .

will-o'-the-wisp is the result of dead organism decomposing in swamps and cemeteries .
by P.A. 037 February 05, 2010

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