Saddle joint

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Related to Saddle joint: Condyloid joint, plane joint
in sheet-metal roofing, a joint formed by bending up the edge of a sheet and folding it downward over the turned-up edge of the next sheet.

See also: Saddle

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
The bony anatomy of the CMC joint is a biconcave, reciprocating saddle joint that allows for multiple axes of motion including flexion-extension, abduction-adduction, and rotation.
The circular layout mimics how the thumb's saddle joint naturally moves, and with less-used keys on the outside, the need to reach is minimized.