polyneuritis

(medicine) Degenerative or inflammatory lesions of several nerves simultaneously, usually symmetrical. Also known as multiple neuritis.

Simultaneous inflammation of nerves in many parts of the body.

Inflammation of several nerves at one time, marked by paralysis, pain, and muscle wasting. Also called multiple neuritis.

Inflammation of many nerves simultaneously.

• p. equi — see cauda equina neuritis.
• idiopathic p. — see guillain–barré syndrome, idiopathic polyradiculoneuritis.
• p. equi — see cauda equina neuritis.
• postinfectious p. — see guillain–barré syndrome.

The noun has one meaning:

Meaning #1: inflammation of many or all of the peripheral nerves (as in leprosy)
  Synonym: multiple neuritis