Source : Webster's Revised Unabridged Dictionary (1913)

Phantom \Phan"tom\, n. [OE. fantome, fantosme, fantesme, OF.
   fant[^o]me, fr. L. phantasma, Gr. ?, fr. ? to show. See
   {Fancy}, and cf. {Pha["e]ton}, {Phantasm}, {Phase}.]
   That which has only an apparent existence; an apparition; a
   specter; a phantasm; a sprite; an airy spirit; an ideal
   image.

         Strange phantoms rising as the mists arise. --Pope.

         She was a phantom of delight.            --Wordsworth.

   {Phantom ship}. See {Flying Dutchman}, under {Flying}.

   {Phantom tumor} (Med.), a swelling, especially of the
      abdomen, due to muscular spasm, accumulation of flatus,
      etc., simulating an actual tumor in appearance, but
      disappearing upon the administration of an an[ae]sthetic.