Phre-nī'tis, n.

n. [Lat., Gr. φρενῖτις, from φρήν, φρενός, the midriff, the mind; Fr. phrénite, phrénitis.]

1. (Med.) An inflammation of the brain, or of the meninges of the brain, attended with acute fever and delirium.
2. The same as PHRENSY, or FRENZY.