knuckle
definition: a joint of a finger when the fist is closed
example: The fighter's knuckles hurt after the cage match.
speech part: noun
synonyms:
knuckle joint
definition: to shoot a marble while keeping one's knuckles on the ground
example: I knuckle marbles.
speech part: verb
synonyms:
definition: to press or rub with the knuckles
example: Can you knuckle my shoulders?
speech part: verb
synonyms: