Wraith
Pronunciation : Wraith
Part of Speech : n.
Etymology : [Scot. wraith, warth; probably originally, a guardian angel, from Icel. v?rthr a warden, guardian, akin to E. ward. See Ward a guard.]
Definition : 1. An apparition of a person in his exact likeness, seen before death, or a little after; hence, an apparition; a specter; a vision; an unreal image. [Scot.] She was uncertain if it were the gypsy or her wraith. Sir W. Scott. O, hollow wraith of dying fame. Tennyson.
2. Sometimes, improperly, a spirit thought to preside over the waters; -- called also water wraith. M. G. Lewis.
Source : Webster's Unabridged Dictionary, 1913