Main Entry:

nim·bus

Pronunciation:

\ˈnim-bəs\

Function:

noun

Inflected Form(s):

plural nim·bi \-ˌbī, -ˌbē\ or nim·bus·es

Etymology:

Latin, rainstorm, cloud; probably akin to Latin nebula cloud — more at nebula

Date:

1616

1 a: a luminous vapor, cloud, or atmosphere about a god or goddess when on earth b: a cloud or atmosphere (as of romance) about a person or thing2: an indication (as a circle) of radiant light or glory about the head of a drawn or sculptured divinity, saint, or sovereign3 a: a rain cloud b: thunderhead ; also : cumulus 2

[nimbus illustration]