Definition, Meaning & Synonyms

knuckle

noun
/ˈnʌk.əl/
Definition
A joint in the hand where two bones meet, specifically the joints of the fingers.
Examples
  • He accidentally hit his knuckle on the table.
  • She cracked her knuckles out of habit.
  • The boxer trained to strengthen his knuckles for better punches.
Meaning
The pointed part of a finger when the fingers are bent. It is formed by the junction of the bones in the hand.
Synonyms
  • joint
  • bend
  • digit joint