Knuckle — synonyms, definition
1. knuckle (Noun)
knuckle joint metacarpophalangeal joint
knuckle (Noun) — A joint of a finger when the fist is closed.
3 types of
articulatio synovialis diarthrosis synovial joint
1 part of
2. knuckle (Verb)
knuckle (Verb) — Press or rub with the knuckles.
knuckle (Verb) — Shoot a marble while keeping one's knuckles on the ground.
2 types of