7 letters · 11 points in Scrabble
noun a globular cloud
noun a collection of objects laid on top of each other
originEtymology tree Proto-Indo-European *ḱewh₁- Proto-Indo-European *ḱuh₁mósder.? Latin cumulusbor. English cumulus Learned borrowing from Latin cumulus. Doublet of comble. Sense 2 (“type of cloud”) was coined by the British chemist and amateur meteorologist Luke Howard (1772–1864): see the 1803 quotation.
Etymology from Wiktionary, CC BY-SA 3.0