Apparition

·noun The thing appearing; a visible object; a form.

II. Apparition ·noun The act of becoming visible; appearance; visibility.

III. Apparition ·noun An unexpected, wonderful, or preternatural appearance; a ghost; a specter; a phantom.

IV. Apparition ·noun The first appearance of a star or other luminary after having been invisible or obscured;

— opposed to occultation.