pivot joint

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Related to Pivot joints: Hinge joints

pivot joint

n.
A joint in which a section of a cylinder of one bone fits into a corresponding cavity on the other, permitting rotating movement, as in the proximal articulation between the radius and ulna. Also called rotary joint, trochoid joint.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pivot joint - a freely moving joint in which movement is limited to rotationpivot joint - a freely moving joint in which movement is limited to rotation; "the articulation of the radius and ulna in the arm is a pivot joint"
articulatio synovialis, diarthrosis, synovial joint - a joint so articulated as to move freely
References in periodicals archive ?
All wing hinges and linkage pivot joints have self-lubricating composite bearings to eliminate the need for daily grease maintenance.
It also features a lighter-weight yet durable boom fabrication with cast pivot joints. As a result, the 324 offers a maximum dig depth of 8 feet 6 inches, reach at ground level of 14 feet, and dump height clearance of 8 feet 8 inches.
From prying (most often), to scraping, pounding, poking, picking, slipping locks, turning screws and worse, those same folders bear the brunt of the abuse, breaking pivot joints, loosening, bending, cracking scales, nicking edges and are generally worse for wear.