cumulus

Meanings

1. 1
   noun

   a dense, white, rounded cloud with a flat base, formed by rising warm air

   A darkening cumulus rose above the hills before the storm.

2. 2
   noun

   a heap, mound, or accumulation of things

   A cumulus of ash and broken masonry filled the ruined courtyard.

Common collocations

• cumulus cloud Noun + noun

A learned borrowing from Latin cumulus, 'heap or pile.' British meteorologist Luke Howard adopted the term in 1803 for clouds that rise in rounded heaps, creating the modern meteorological sense.

Topics

External links

• Cambridge Dictionary
• Wiktionary
• Google Images