Definition of: nimbus

(nim′bəs) noun plural ·bus·es or ·bi (-bī)
1. A dark, heavy, rain–bearing cloud: also nim·bo·stra·tus (nim′bō·strā′təs, -strat′əs). See CLOUD.
2. A halo or bright disk encircling the head, as of Jesus, saints, etc., in pictures, on medallions, etc.
3. A cloud of glory or surrounding aura of light in which the gods were supposed by the ancients to be clothed when appearing upon earth; hence, any atmosphere or aura of fame, glamour, etc., surrounding a person. [<L, rain cloud]