noun ·Moderate ·College level

Definitions

Noun

1. 1
   A circle of light; a halo.
2. 2
   an indication of radiant light drawn around the head of a saint wordnet
3. 3
   A gray rain cloud.
4. 4
   a dark grey cloud bearing rain wordnet

Synonyms

All synonyms

aurahalohaloairairalto-cumulus

Example

More examples

"Most precipitation comes from nimbus clouds."

Etymology

Borrowed from Latin nimbus (“dark cloud”). Doublet of nimb.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.