pivot joint


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Related to pivot joint: gliding joint

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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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
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References in periodicals archive ?
The Hardide-T chemical vapour deposition (CVD) tungsten carbide-based coating was used on the key component of the tool, a complex shaped ball and socket pivot joint, which is subject to extreme loads of up to 400 tonnes, 5000 psi of working pressure and 30,000 ft.lbs of torque while operating in severe wind, wave and current environments.
PIVOT JOINT In a pivot joint, movement is limited to rotation, either by means of a bony projection pivoting within a ring, or a ring pivoting around an axis, for example, the joint between the first and second vertebrae in your back.