What is "pseudaesthesia"

Pseudaesthesia \Pseu`d[ae]s*the"si*a\, n. [NL. See Pseudo-, and [AE]sthesia.] (Physiol.) False or imaginary feeling or sense perception such as occurs in hypochondriasis, or such as is referred to an organ that has been removed, as an amputated foot.

n. (context medicine English) False or imaginary feeling or sense perception such as occurs in hypochondriasis and phantom limb.