Meaning of knuckles

Answer 1

"Knuckles" refers to the joints in the fingers where the bones of the hand meet. Specifically, it commonly denotes the metacarpophalangeal joints, which are the first joints in the fingers, allowing for movement and flexibility. In a broader cultural context, "knuckles" can also refer to a form of physical confrontation, often associated with fistfights. Additionally, the term is sometimes used in idiomatic expressions, like "rapping someone on the knuckles," which means to reprimand or scold.