nimbus

 
Pronunciation: /ˈnɪmbəs/

noun (plural nimbi /-bʌɪ/ or nimbuses)

  • 1a luminous cloud or a halo surrounding a supernatural being or a saint: a nimbus of power played around him, brighter than lightning
  • a light, colour, etc., that surrounds someone or something.
  • 2a large grey rain cloud: [as modifier]: nimbus clouds

Origin:

early 17th century: from Latin, literally 'cloud, aureole'