• WordNet 3.6
    • n cud a wad of something chewable as tobacco
    • n cud food of a ruminant regurgitated to be chewed again
    • ***
Webster's Revised Unabridged Dictionary
    • Cud A portion of tobacco held in the mouth and chewed; a quid.
    • Cud That portion of food which is brought up into the mouth by ruminating animals from their first stomach, to be chewed a second time. "Whatsoever parteth the hoof, and is cloven-footed, and cheweth the cud , among the beasts, that shall ye eat."
    • Cud The first stomach of ruminating beasts. "Chewed the thrice turned cud of wrath."
    • ***
Century Dictionary and Cyclopedia
    • n cud A portion of food voluntarily forced into the mouth from the first stomach by a ruminating animal, and leisurely chewed a second time. See ruminate, rumination.
    • n cud A quid.
    • ***
Chambers's Twentieth Century Dictionary
    • n Cud kud the food brought from the first stomach of a ruminating animal back into the mouth and chewed again
    • ***


Chew the cud - If you chew the cud, you think carefully about something.


Webster's Revised Unabridged Dictionary
AS. cudu, cwudu,cwidu,cweodo, of uncertain origin; cf, G. köder, bait, Icel. kviðr, womb, Goth. qiþus,. Cf. Quid
Chambers's Twentieth Century Dictionary
A.S. cwidu.


In literature:

When cattle are at rest, or not employed in grazing or chewing the cud, they are observed frequently to lick themselves.
"Delineations of the Ox Tribe" by George Vasey
For full two hours sat Karl, chewing the cud of impatience.
"The Plant Hunters" by Mayne Reid
He sat chewing the cud of disappointment, though not patiently, nor keeping all the time to his chair.
"The Free Lances" by Mayne Reid
The docile, uncouth, buff-colored beasts were soberly chewing their cuds, and resting after their long and weary journey.
"Due West" by Maturin Murray Ballou
Nothin' but knife an' bay'nit when we cud get our hands free: an' that was not often.
"Soldier Stories" by Rudyard Kipling
They had almost forgotten to chew their cuds!
"Battling the Clouds" by Captain Frank Cobb
Beyond the hill I cud hear the surf pounding like a riveter in a boiler.
"The Boy Scouts Book of Stories" by Various
I found her lying down, as comfortable as you please, chewing her cud and right at home in the cellar.
"Track's End" by Hayden Carruth
There was, in the darkness, a slow sound of cud chewing.
"The Rainbow" by D. H. (David Herbert) Lawrence
This was just what she wanted, for she longed to chew her cud again.
"The Book of Saints and Friendly Beasts" by Abbie Farwell Brown

In poetry:

"Wha cud be a widow
Wife was never nane?
Noo, gien ye will hae me,
Noo I will be ane!"
"Ower The Hedge" by George MacDonald
"Awm gooin' into th' Packer-street,
As far as th' Gowden Bell;
To taste o' Daniel's Kesmus ale."
TIM.—"I cud like o saup mysel'."
"Tim Bobbin' Grave" by Samuel Bamford
Then dust on dust the cud of ocean fills;
The mountains that were eaten conquer her;
She, the invader, invaded by the hills,
Slips from the silt her moving waters stir.
"The Pendulum" by Dame Mary Gilmore DBE
In salivation is salvation:
So if some silly little nation
Should bathe in blood,
Let's take a lesson from the cow,
And learn in life's long gloaming how
To chew the cud.
"Cows" by Robert W Service
I can conceive no heav'nly bliss
More perfectly complete than this:
To sit and smoke and idly chew
Reflection's cud, with nought to do.
This is, in my pet social plan,
The right of ev'ry honest man.
"The Weary Philosopher" by C J Dennis
There the spotted cow gets food, bonny Mary O!
And chews her peaceful cud, bonny Mary O!
In the mole-hills and the bushes, and the clear brook fringed with rushes
To fill the evening pail, bonny Mary O!
"Bonny Mary O!" by John Clare

In news:

(Cuban locals use a different currency, national Cuban pesos , or CUDs, which are worth about 25 times less than a CUC.
Walk around, eat some grass, chew their cud, eat some more grass, drink some water…you get the idea BUT when something shows up in the pasture that they are unfamiliar with, it's like the greatest day ever.
Give Wraps by Chewing the Cud, in San Francisco, are printed with soy-based ink on organic cotton.

In science:

The main condition is that the components of ui be taken from a completely uniformly distributed (CUD) sequence, as described below.
Consistency of Markov chain quasi-Monte Carlo on continuous state spaces
Chentsov replaces i.i.d. samples by one long CUD sequence, and this is the method we will explain and then adapt to continuous problems.
Consistency of Markov chain quasi-Monte Carlo on continuous state spaces
Table 1 sets out variance reduction factors found for randomized CUD versus i.i.d. sampling.
Consistency of Markov chain quasi-Monte Carlo on continuous state spaces
For the pumps data, the greatest and least variance reduction for a randomized CUD sequence versus i.i.d. sampling is shown.
Consistency of Markov chain quasi-Monte Carlo on continuous state spaces
In this section we describe a set of experiments designed to test the coverage and diameter of confidence sets constructed using the CUD bound.
Small Sample Inference for Generalization Error in Classification Using the CUD Bound