Significat

• Noun

  1. A ghost or apparition.
  2. Something apparently seen, heard, or sensed, but having no physical reality; an image that appears only in the mind; an illusion or delusion.
  3. A placeholder for a pair of players when there are an odd number of pairs playing.
  4. A test object. A test phantom is an object that reproduces the characteristics of human tissue.

• Adj