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
source: WordNet 3.0
an indication of radiant light drawn around the head of a saint
source: WordNet 3.0
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.
source: WordNet 3.0
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.
