• WordNet 3.6
    • v knuckle shoot a marble while keeping one's knuckles on the ground
    • v knuckle press or rub with the knuckles
    • n knuckle a joint of a finger when the fist is closed
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: The pop you hear when you crack your knuckles is actually a bubble of gas burning.
    • Knuckle A contrivance, usually of brass or iron, and furnished with points, worn to protect the hand, to add force to a blow, and to disfigure the person struck; -- called also knuckle duster knuckles or brass knuckles.
    • Knuckle (Shipbuilding) A convex portion of a vessel's figure where a sudden change of shape occurs, as in a canal boat, where a nearly vertical side joins a nearly flat bottom.
    • Knuckle (Mech) The joining parts of a hinge through which the pin or rivet passes; a knuckle joint.
    • Knuckle The joint of a finger, particularly when made prominent by the closing of the fingers.
    • Knuckle The joint of a plant.
    • Knuckle The kneejoint, or middle joint, of either leg of a quadruped, especially of a calf; -- formerly used of the kneejoint of a human being. "With weary knuckles on thy brim she kneeled sadly down."
    • v. t Knuckle To beat with the knuckles; to pummel.
    • v. i Knuckle To yield; to submit; -- used with down to, or under.
    • ***
Century Dictionary and Cyclopedia
    • n knuckle The joint of a finger, especially that between the metacarpal bone and the first phalanx.
    • n knuckle The knee or knee-joint.
    • n knuckle A joint, especially of veal, consisting of the part of the leg called the knee. It is the part of the animal which corresponds to the hock of a horse, or the human heel, together with more or less of the leg above this joint.
    • n knuckle The joint of a plant; a node.
    • n knuckle A joint of cylindrical form, with a pin as axis, as that by which the straps of a hinge are fastened together.
    • n knuckle In ship-building, an acute angle on some of the timbers.
    • n knuckle plural Pieces of metal, usually brass (hence specifically known as brass knuckles), worn by lawless persons over the knuckles to protect them in striking a blow, and also to make a blow more effective. See knuckle-duster.
    • knuckle To touch or strike with the knuckle; pommel.
    • knuckle To bend the knuckles; hold the knuckles (that is, the hand) close to the ground, in playing marbles: usually with down. A player is required to knuckle down in order to keep him from gaining undue advantage by “hunching” nearer the mark.
    • knuckle To apply one's self earnestly, as to a task; engage vigorously, as in work.
    • knuckle To submit, as in a contest; give up; yield.
    • n knuckle A sharply bent loop, as of intestine, especially when imprisoned, as in a hernia.
    • n knuckle In mech., the swinging leaf or hook used for the coupling device in certain automatic car-couplings, particularly in the Janney or M. C. B. (master car-builders') type. A hole is usually provided in the knuckle so that the common link-coupling may be used with it.
    • knuckle To apply one's self earnestly.
    • ***
Chambers's Twentieth Century Dictionary
    • n Knuckle nuk′l projecting joint of the fingers; (cook.) the knee-joint of a calf or pig
    • v.i Knuckle to bend the fingers: to touch the forehead as a mark of respect: to yield
    • v.t Knuckle (rare) to touch with the knuckle
    • ***


  • Benjamin Franklin
    “They that will not be counseled, cannot be helped. If you do not hear reason she will rap you on the knuckles.”


Near the knuckle - If something is near the knuckle, it is bit explicit or too close to the truth for comfort


Webster's Revised Unabridged Dictionary
OE. knokel, knokil, AS. cuncel,; akin to D. knokkel, OFries. knokele, knokle, G. knöchel, Sw. knoge, Dan. knokkel, G. knochen, bone, and perh. to E. knock,


In literature:

Keep your knuckles into him, while I make my deposition.
"Mary Anerley" by R. D. Blackmore
I knocked at least a dozen times, until my knuckles ached, but not a sound came from within.
"Grace Harlowe's Second Year at Overton College" by Jessie Graham Flower
Looking down, he saw that one of the knuckles of the hand that held the book was swollen and cut.
"The White Feather" by P. G. Wodehouse
Her gloves split across the back and showed the white, tense knuckles.
"Across the Years" by Eleanor H. Porter
He was quiet-voiced but hard-knuckled, as some had reason to know.
"Children of the Bush" by Henry Lawson
The knuckle knife is a dagger affair, the blade of which is about eight inches long with a heavy steel guard over the grip.
"Over The Top" by Arthur Guy Empey
The knuckle or leg of veal is the best for soup.
"Directions for Cookery, in its Various Branches" by Eliza Leslie
Make an incision across the knuckle-end, right into the bone, and set free the gravy.
"Enquire Within Upon Everything" by Anonymous
Rat-a-tat-tat at the first dim hint of dawn went the chamberlain's knuckles upon the door.
"Master Skylark" by John Bennett
The fact is that the sight of the knuckle-duster had changed my mood.
"The Uttermost Farthing" by R. Austin Freeman

In poetry:

I can feel the blow on my knuckles yet —
He feels it more on his brow.
In a thousand years we shall all forget
The things that trouble us now.
"Fragmentary Scenes From The Road To Avernus" by Adam Lindsay Gordon
I see your knuckles hard and strong,
But have no fear they'll come to blows;
Your life is long, and mine is short,
But which has known the greater woes?
"The Old Oak Tree" by William H Davies
"Tell him you'll stand no sort of trick;
Then, if he leers and chuckles,
You just be handy with a stick
(Mind that it's pretty hard and thick)
And rap him on the knuckles!
"Phantasmagoria Canto VI ( Dyscomfyture )" by Lewis Carroll
For Ranger McCabe never knuckled to danger;
My pardner in camp, on the trail, or in town:
And he slid into glory, a true forest ranger,
With" "Hell! I'm a-goin'! Just roll a rock down."
"Roll A Rock Down" by Henry Herbert Knibbs
Now some shearing I have done, and some prizes I have won,
Through my knuckling down so close on the skin,
But I'd rather tomahawk every day than shear a flock,
For that's the only way I make some tin.
"Tomahawking Fred" by Anonymous Oceania
These things are very well," said he,
"For beaux and those who cannot see
Much further than their knuckles; But Bethlehem fair's for boys and girls
Who never think of spectacles, cannot buy your buckles:
"A Commentary On The Eastern Wise Men, Travelling To Bethlehem, Guided" by Thomas Paine

In news:

Google Maps In papers filed earlier this year in Manhattan state Supreme Court, pictured above, Craig Dershowitz said ex-girlfriend Sarah Brega "kidnapped" his dog Knuckles after they broke up.
The Future of Smartphone Tech Is Knuckle- Dragging .
I'm Dreaming of a White-Knuckle Christmas.
The Great Wall and pig knuckle pizza itinerary.
Driver's wrong turn leads cops to meth, knives and metal knuckles.
I'm Dreaming of a White- Knuckle Christmas.
When paired with Vista's hot aiming feature, the Infinity Knuckle 's ability to give precise light placement is further enhanced.
It's white- knuckle climb time in Winnipeg.
The Future of Smartphone Tech Is Knuckle -Dragging.
I Got You a Knuckle Sandwich.
K-Love Doesn't Need Surgery After Knuckle Pushup Injury.
Knuckle push-ups are straight from the world of Mixed Martial Arts, where fighters swear that they toughen the knuckles to the extent that a properly delivered punch can split an opponent's head in two.
After being on hiatus for over a year, local Texas rock band Knuckle Deep returns to The Gig this weekend.
Mets 8, Astros 2: 'Stros buckle to knuckle .
Oj The Ultimate Adventure Orange Jeep Part 4 Top Knuckle Bolt.