n. A ghost or specter, especially seen just after a person's death.
the GNU version of the Collaborative International Dictionary of English
n. 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.
n. Sometimes, improperly, a spirit thought to preside over the waters; -- called also water wraith.
The Century Dictionary and Cyclopedia
n. An apparition in the exact likeness of a person, supposed to be seen before or soon after the person's death; in general, a visible spirit; a specter; a ghost.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a mental representation of some haunting experience
Word Usage
"Banquo's wraith, which is invisible to all but Macbeth, is the haunting of an evil conscience."