noun.
That which has only an apparent existence; an apparition; a specter; a phantasm; a sprite; an airy spirit; an ideal image.
noun.
See Flying Dutchman, under Flying.
noun.
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 anæsthetic.
adjective.
Being, or of the nature of, a phantom.