knuckle joint

noun

a joint forming a knuckle.

Machinery. a joint between two parts allowing movement in one plane only.

Origin of knuckle joint

First recorded in 1860–65

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for knuckle joint

Historical Examples of knuckle joint

The piping terminates in a nozzle with knuckle-joint and lateral movement.
The A B C of Mining
Charles A. Bramble

British Dictionary definitions for knuckle joint

knuckle joint

noun

any of the joints of the fingers

mechanical engineering a hinged joint between two rods, often a ball and socket joint

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012