
Knuckle
Anatomy Term
Used to describe where fingers bend, often mentioned in anatomy or when instructing hand movements.

When playing piano, relax your knuckles.
Physical Gesture
Associated with knocking on doors or surfaces to draw attention, conveying a physical action.

He knocked with his knuckles to avoid using the doorbell.
Non-Verbal Cues
Knuckles can express non-verbal cues such as anger or frustration when showed clenched.

Her clenched knuckles revealed she was holding back her frustration.
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BumpJointKnobLumpNodeNoduleProtuberanceSwell
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