Au'ra, n.

n.; pl. AU'RÆ. [Lat. aura, Gr. αὔρα, air.] Any subtile, invisible fluid, supposed to flow from a body; an effluvium, emanation, or exhalation, as the aroma of flowers, the odor of the blood, a supposed fertilizing emanation from the pollen of flowers, &c.

Electric aura, a supposed electric fluid, emanating from an electrified body, and forming a mass surrounding it, called the electric atmosphere. See ATMOSPHERE, ELECTRIC. — Epileptic aura (Med.), a sensation as of a current of air rising from some part to the head, preceding an attack of epilepsy. Dunglison. — Hysteric aura, a like sensation occurring in hysterics. Dunglison.