- Proper noun. (given name, female) shortened from Aurelia.
- Noun. Distinctive atmosphere or (l, en) associated with something.
- Noun. An invisible force surrounding a living creature.
- Noun. Perceptual disturbance experienced by some migraine sufferers before a migraine headache.
- Noun. (medicine) Telltale sensation experienced by some people with epilepsy before a (l, en) .