knuckle

[ nuhk-uh l ]
/ ˈnʌk əl /

noun

verb (used with object), knuck·led, knuck·ling.

to rub or press with the knuckles.
Marbles. to shoot (a marble) from the thumb and forefinger.

Verb Phrases

knuckle down,
  1. to apply oneself vigorously and earnestly; become serious: Just knuckle down for an hour or so and finish the work.
  2. Also knuckle under. to submit; yield.

Origin of knuckle

1325–75; Middle English knokel (akin to Dutch kneukel, German Knöchel), diminutive of a word represented by Dutch knok, German Knochen bone; see -le

OTHER WORDS FROM knuckle

knuck·ly, adjective

Example sentences from the Web for knuckles

British Dictionary definitions for knuckles

knuckle
/ (ˈnʌkəl) /

noun

verb

(tr) to rub or press with the knuckles
(intr) to keep the knuckles on the ground while shooting a marble

Derived forms of knuckle

knuckly, adjective

Word Origin for knuckle

C14: related to Middle High German knöchel, Middle Low German knoke bone, Dutch knok

Medical definitions for knuckles

knuckle
[ nŭkəl ]

n.

The prominence of the dorsal aspect of a joint of a finger, especially of one of the joints that connect the fingers to the hand.
A rounded protuberance formed by the bones in a joint.
A kink or loop of intestine, as in a hernia.

Idioms and Phrases with knuckles

knuckle