from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An invisible breath, emanation, or radiation.
- n. A distinctive but intangible quality that seems to surround a person or thing; atmosphere: An aura of defeat pervaded the candidate's headquarters.
- n. Pathology A sensation, as of a cold breeze or a bright light, that precedes the onset of certain disorders, such as an epileptic seizure or an attack of migraine.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Distinctive atmosphere or quality associated with something.
- n. An invisible force surrounding a living creature.
- n. Perceptual disturbance experienced by some migraine sufferers before a migraine headache.
- n. Telltale sensation experienced by some people with epilepsy before a seizure.
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
- n. 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.
from The Century Dictionary and Cyclopedia
- n. A supposed influence, force, or imponderable matter proceeding from a body and surrounding it as an atmosphere; specifically, an imponderable substance supposed to emanate from all living things, to consist of the subtle essence of the individual, and to be a means of manifesting what is called animal magnetism, and also a medium for the operation of alleged mesmeric, clairvoyant, and somnambulic powers. Also called nerve-aura, or nervaura.
- n. Figuratively, atmosphere; air; character, etc.
- n. A peculiar sensation resembling that produced by a current of air. See epileptic aura, below.
- n. An old native name of any South American vulture excepting the condor; an urubu, tzopilotl, gallinazo, turkey-buzzard, or carrion-crow.
- n. [capitalized] In Greek myth, a personification of the lighter winds or breezes, the divinities of the air.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- 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
- n. a distinctive but intangible quality surrounding a person or thing
- n. an indication of radiant light drawn around the head of a saint
Middle English, gentle breeze, from Latin, from Greek aurā, breath.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin aura ("a breeze, a breath of air, the air"), from Ancient Greek αὔρα (aura, "breeze, soft wind"), from ἀήρ (aēr, "air"). (Wiktionary)