cumulus

noun

cu·​mu·​lus ˈkyü-myə-ləs How to pronounce cumulus (audio)
plural cumuli ˈkyü-myə-ˌlī How to pronounce cumulus (audio)
-ˌlē
1
2
[New Latin, from Latin] : a dense puffy cloud form having a flat base and rounded outlines often piled up like a mountain see cloud illustration

Examples of cumulus in a Sentence

the cumulus of sundry things that fill up one's attic and somehow sum up a lifetime of experiences
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Such complexity is far beyond fourth grade lessons about cumulus clouds or cold fronts. Marshall Shepherd, Forbes, 12 Oct. 2024 The start of the race was a magnificent spectacle—a river of bodies, many wearing flags, channeled through a prim and floral Alpine city with blue and cumulus skies above and towering snowy peaks all around while bass Vangelis music pumped across the main square. Tom Mullen, Forbes, 8 Sep. 2024 The presence of cumulus clouds (those fluffy, puffy white clouds) also makes for a great sunset, explains Marisa Marulli, a conservation photographer. Brittany Anas, Forbes, 5 Sep. 2024 These clouds are similar to cumulus clouds, except these are formed by fire instead off the ground. Li Cohen, CBS News, 25 July 2024 See all Example Sentences for cumulus 

Word History

Etymology

Latin

First Known Use

1659, in the meaning defined at sense 1

Time Traveler
The first known use of cumulus was in 1659

Dictionary Entries Near cumulus

Cite this Entry

“Cumulus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cumulus. Accessed 22 Nov. 2024.

Kids Definition

cumulus

noun
cu·​mu·​lus ˈkyü-myə-ləs How to pronounce cumulus (audio)
plural cumuli -ˌlī How to pronounce cumulus (audio)
-ˌlē
: a dense puffy cloud form having a flat base and rounded outlines often piled up like a mountain

Medical Definition

cumulus

noun
cu·​mu·​lus ˈkyü-myə-ləs How to pronounce cumulus (audio)
plural cumuli -ˌlī, -ˌlē How to pronounce cumulus (audio)
: the projecting mass of granulosa cells that bears the developing ovum in a graafian follicle

called also discus proligerus

More from Merriam-Webster on cumulus

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