- knuckle, knuckle joint, metacarpophalangeal joint - a joint of a finger when the fist is closed
--1 is a kind of synovial joint, articulatio synovialis, diarthrosis
--1 is a part of fingerDerived form: verb knuckle1
- knuckle - press or rub with the knuckles
--1 is one way to press
Sample sentence:Derived form: noun knuckle1
Somebody ----s something
- knuckle - shoot a marble while keeping one's knuckles on the ground
--2 is one way to shoot
Sample sentence:
Somebody ----s