1. finger joint: a joint of a finger, especially a joint connecting a finger to the hand
2. rounded projection when fist is made: one of the rounded projections above a knuckle that appears on the back of a hand when a fist is made
(
often used in the plural
)
3. food piece of meat near knee: a cut of meat consisting of the lower joint from the hind leg of a calf, pig, or lamb
4. mechanical engineering hinge pivot: the cylindrical part of a hinge through which the pin passes
5. mechanical engineering Same as knuckle joint (sense 2)
verb (past and past participleknuck·led, present participleknuck·ling, 3rd person present singularknuck·les)
Definition:
1. transitive verb apply knuckles to something: to rub, hit, or press something with the knuckles knuckled her eyes in disbelief
2. intransitive verb leisure have knuckles on ground playing marbles: to have the knuckles on the ground when shooting a marble with the thumb pressed into the bent forefinger
