ˈəsərə, (ˌ)əˈsu̇rə noun
( -s )
Usage: usually capitalized
Etymology: Sanskrit — more at aesir
1. : one of a class of beneficent celestial spirits of early Vedic and Zoroastrian mythology higher than men but lower than gods
2. : one of a class of demons or titans in later Hinduism and Buddhism, the enemies of the gods