AURA definition

(1) 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"

(2) An indication of radiant light drawn around the head of a saint

(3) 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