What is "aurae"

Aura \Au"ra\, n.; pl. Aur[ae]. [L. aura air, akin to Gr. ?.]

1. Any subtile, invisible emanation, effluvium, or exhalation from a substance, as the aroma of flowers, the odor of the blood, a supposed fertilizing emanation from the pollen of flowers, etc.

2. (Med.) The peculiar sensation, as of a light vapor, or cold air, rising from the trunk or limbs towards the head, a premonitory symptom of epilepsy or hysterics.

   Electric aura, a supposed electric fluid, emanating from an electrified body, and forming a mass surrounding it, called the electric atmosphere. See Atmosphere, 2.

n. (en-irregular plural of: aura)

See aura

1. n. a sensation (as of a cold breeze or bright light) that precedes the onset of certain disorders such as a migraine attack or epileptic seizure

2. an indication of radiant light drawn around the head of a saint [syn: aureole, halo, nimbus, glory, gloriole]

3. a distinctive but intangible quality surrounding a person or thing; "an air of mystery"; "the house had a neglected air"; "an atmosphere of defeat pervaded the candidate's headquarters"; "the place had an aura of romance" [syn: air, atmosphere]

4. [also: aurae (pl)]