Joint

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Related to ball-and-socket joint: Spheroidal joint

Joint

Describing anything in which two or more persons hold equal rights and responsibilities. For example, every account holder may use the funds in a joint account (though not always independently from the other holders), and each owner is equally liable for a jointly-held property.
References in periodicals archive ?
Connecting the quay wall to the caisson is the gigantic ball-and-socket joint, cast by NFM Technologies at its Creusot- Loire factories.
But with the computer model, they discovered that the animal's head, which swiveled on a huge ball-and-socket joint that Chapman likens to a "big, bony trailer hitch," was remarkably well balanced.
Amana's unique three-piece set, designed in partnership with master craftsman Lonnie Bird, produces tambours that interlock with a ball-and-socket joint, eliminating the need for cloth, glue or wires.