What does phantom pain mean?

Pain at amputation. Phantom pain is pain that feel like it is occurring in a body part that has been amputated and is not present anymore. The "phantom" is the limb that is missing.
Phantom Limb. Phantom limb or phantom pain is the sensation that an amputee has of pain (or even itching) to the part of the body that is no longer present.
Phantom pain. This is pain that the brain perceives to be coming from a part of the body that no longer exists e.g. Pain from an amputated arm or leg.