What is "cephalitis"

Phrenitis \Phre*ni"tis\, n. [L., fr. Gr. ?, fr. ?, ?.]

1. (Med.) Inflammation of the brain, or of the meninges of the brain, attended with acute fever and delirium; -- called also cephalitis.

2. See Frenzy.

n. (context medicine English) phrenitis

n. inflammation of the brain usually caused by a virus; symptoms include headache and neck pain and drowsiness and nausea and fever (`phrenitis' is no longer in scientific use) [syn: encephalitis, phrenitis]