- 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. - Sometimes, improperly, a spirit thought to preside over the
waters; -- called also water wraith.
Meaning of 'wraith' (Princeton's WordNet)
1 . wraith
[ n]
Meaning (1): - a mental representation of some haunting experience