Path. [L. vēsānia, f. vēsānus mad, f. vē- not + sānus sane.] Mental derangement, esp. of a particular type (see quot. 1857).
[1693. trans. Blancard’s Phys. Dict. (ed. 2), Vesania, Madness from Love.
c. 1793. Encycl. Brit. (ed. 3), XI. 282. Order IV. Vesaniæ.]
1800. trans. Cullen’s Nosology, 130, note. For who would consider … any other Hallucinatio or Morositas, which do not depend on the judgment, as a Vesania?
1820. Good, Nosology, 278. Parr … makes Vesania the genus, and arranges melancholia, mania, and even oneirodynia as separate species under it.
1857. Dunglison, Dict. Med. Sci., 964/2. Vesania, madness; derangement of the intellectual and moral faculties, without coma or fever.
