Ghost

1. The disembodied soul; the soul or spirit of a deceased person; a spirit appearing after death; an apparition; a specter.
2. To die; to expire.
3. The spirit; the soul of man.
4. A false image formed in a telescope by reflection from the surfaces of one or more lenses.
5. To appear to or haunt in the form of an apparition.
6. Any faint shadowy semblance; an unsubstantial image; a phantom; a glimmering; as, not a ghost of a chance; the ghost of an idea.