Knuckle

/ˈnʌkəl/

Meaning & Definition

noun

Any of the joints of the fingers, especially where the fingers meet the hand.

She hit her knuckle against the table, causing a sharp pain.

A part of the finger that includes the bones and the surrounding tissue, especially in relation to striking or hitting.

He learned to deliver a powerful punch by using his knuckles effectively.

The rounded protruding part of a joint in the finger.

The boxer had calloused knuckles from years of training.

A similar joint in the leg of an animal, particularly in horses.

The veterinarian examined the horse's knuckles for any signs of injury.

verb

To hit something with the knuckles.

He knuckled the door to get attention from the people inside.

To form a circular shape with the fingers as in a fist.

She knuckled her fingers as she prepared to cheer for her team.

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

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.

fist

A hand with the fingers clenched tightly together.

joint

A structure where two or more bones meet.

Knucklehead

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

Knuckle down

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