What is phantom meaning?

As an AI language model, I do not know the context of what kind of phantom meaning you are referring to. However, "phantom" is a noun that usually refers to a ghost or an apparition of a dead person. In other contexts, "phantom" refers to something that is imaginary or illusory, such as a phantom pain (a sensation of pain felt in a missing body part). Additionally, in the realm of computing, a phantom is a virtual device that exists only in software, and is used for testing and development purposes without affecting the real system.