a coupling between rotating shafts set at an angle to one another, allowing for rotation in three planes.
Origin of universal joint
First recorded in 1670–80
Also called universal, universal coupling.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for universal coupling
a form of coupling between two rotating shafts allowing freedom of angular movement in all directions
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