Meaning & Definition of word "Knuckle"

Knuckle

/ˈnʌkəl/

noun:

  • 1. Any of the joints of the fingers, especially where the fingers meet the hand.
    • Example: She hit her knuckle against the table, causing a sharp pain.
  • 2. A part of the finger that includes the bones and the surrounding tissue, especially in relation to striking or hitting.
    • Example: He learned to deliver a powerful punch by using his knuckles effectively.
  • 3. The rounded protruding part of a joint in the finger.
    • Example: The boxer had calloused knuckles from years of training.
  • 4. A similar joint in the leg of an animal, particularly in horses.
    • Example: The veterinarian examined the horse's knuckles for any signs of injury.

verb:

  • 1. To hit something with the knuckles.
    • Example: He knuckled the door to get attention from the people inside.
  • 2. To form a circular shape with the fingers as in a fist.
    • Example: She knuckled her fingers as she prepared to cheer for her team.

Etymology

Middle English knokel, possibly from Old Norse knúkr meaning 'knuckle, joint'.

Common Phrases and Expressions

white knuckle:

Referring to something that is very intense or stressful.

knuckle down:

To begin to work hard.

knuckle sandwich:

A punch in the face.

Related Words

fist:

A hand with the fingers clenched tightly together.

joint:

A structure where two or more bones meet.

Slang Meanings of knuckle

Meaning: Knucklehead

Example Sentence: Don't be such a knucklehead and pay attention in class.

Meaning: Knuckle down

Example Sentence: It's time to knuckle down and finish this project.