• WordNet 3.6
    • n cumulus a collection of objects laid on top of each other
    • n cumulus a globular cloud
    • ***
Webster's Revised Unabridged Dictionary
    • n Cumulus (Meteor) One of the four principal forms of clouds. SeeCloud.
    • ***
Century Dictionary and Cyclopedia
    • n cumulus The kind of cloud which appears in the form of rounded heaps or hills, snowy-white at top with a darker horizontal base, characteristic of mild, calm weather, especially in summer; the summer-day cloud. See cut under cloud, 1.
    • n cumulus In anatomy, a heap of cells surrounding a ripe ovum in the Graafian follicle, and constituting the discus proligerus.
    • ***
Chambers's Twentieth Century Dictionary
    • n Cumulus kū′mū-lus a heap; a kind of cloud common in summer, consisting of rounded heaps with a darker horizontal base
    • ***


Webster's Revised Unabridged Dictionary
L., a heap. See Cumber
Chambers's Twentieth Century Dictionary
L. cumulus, a heap, and stratus.


In literature:

There were cumulus clouds of varying closeness all the time.
"Farthest North" by Fridtjof Nansen
It was an excruciating cumulus of grief.
"The Missourian" by Eugene P. (Eugene Percy) Lyle
The cumulus often attains its greatest size early in the afternoon, when the heat of the day is most felt.
"The Rain Cloud or, An Account of the Nature, Properties, Dangers and Uses of Rain" by Anonymous
Vast irregular masses of white and purple cumulus drifted rapidly over the sky.
"The Works of Robert Louis Stevenson - Swanston Edition Vol. XXII (of 25)" by Robert Louis Stevenson
Now his ship looked like a fat, fleecy cumulus.
"Keep Your Shape" by Robert Sheckley
We have already spoken of the cloud called cumulus (which means heap) and of its performance during the dry season of summer.
"Nature's Miracles, Volume 1" by Elisha Gray
It was probably called cumulus because its small masses are distinct, as are those of the ordinary cumulus.
"The Philosophy of the Weather" by Thomas Belden Butler
A snowy aggregation of cumulus sustained the empyrean upon the volume of its mighty curve and swell.
"Sinister Street, vol. 1" by Compton Mackenzie
The sun was shining through light cumulus clouds.
"Farthest North" by Fridtjof Nansen
A great cumulus cloud piled up like a Himalayan peak in the west beyond my mouse-gray dwelling.
"The Idyl of Twin Fires" by Walter Prichard Eaton

In poetry:

The whitening gold of sudden dawn,
The sunset's garnet afterglow,
The cumulus, the noonlit snow,
The moon in irised clouds withdrawn.
"The Butterfly" by Clark Ashton Smith

In news:

Inidividuals, workgroups, and entire corporations can use Canto 's "Cumulus" products as well as workflow streamlining options such as Web Publisher Pro, HELIOS Companion, and Internet Client Pro.
New VP leads Cumulus Media Amarillo.
With the Cumulus 6 compatible version of Helios Asset Processor, users can easily covert files to any data format.
A fair weather water spout can form along the dark flat base of a line of developing cumulus clouds.
Zach Dietmeier can be reached at
Cumulus Flint , is seeking an enthusiastic, energetic, and dependable individual for our busy front office as a Part-time Traffic Assistant.
Clouds that contain mostly water droplets (example: Cumulus clouds) often have a very distinct edge.
The sky was gray and threatening Tuesday morning, but Terri Ashment's Gramercy Elementary School fourth-grade class assessed the cumulus clouds and moved forward with their mission.
Towering cumulus threatening, and failing, to become a thunderstorm over northeast Nebraska on May 8.
Programmer Jack Silver Exits Cumulus Los Angeles Post.
Cumulus is on the lookout for exceptional candidates to help drive the future of local media sales.
Cumulus Media Beats on EPS But GAAP Results Lag .
Cumulus Media reported earnings on Nov 5.
Lots of sunshine will mix with only a few fair-weather cumulus clouds this afternoon.
Pie —chocolate cream with a cumulus cloud of whipped cream floating above.

In science:

In addition to the mucus at the cervix and in the uterine cavity, sperm must also penetrate the matix coating the ovum, known as the cumulus oophorus, which is a viscoelastic actin-based gel [248].
The hydrodynamics of swimming microorganisms