knuckle joint

noun

1. a joint forming a knuckle.
2. Machinery. a joint between two parts allowing movement in one plane only.

knuckle joint

noun

1. any of the joints of the fingers
2. mechanical engineering a hinged joint between two rods, often a ball and socket joint

Word History and Origins

Origin of knuckle joint¹

First recorded in 1860–65

Example Sentences

When the fingers are longer than the width of the hand across the knuckle joint, it is not an advantage but a detriment.

From Project Gutenberg

When practising, I play everything very slowly, raising my fingers high and straight from the knuckle joint.

From Project Gutenberg

The piping terminates in a nozzle with knuckle-joint and lateral movement.

From Project Gutenberg

I call to memory his having almost cut off the index finger of his left hand, putting the axe right thru the knuckle joint.

From Project Gutenberg