From Longman Dictionary of Contemporary Englishuniversal jointˌuniversal ˈjoint noun [countable] TEMMACHINEa part in a machine, at the point where two other parts join together, that can turn in all directions
Examples from the Corpus
universal joint• Notes A gimbal is a kind of universal joint that allows free rotation within a range of angles.• In mechanical terms, the head is an elliptical spheroid with a single universal joint, the neck. 