Meaning of PIVOT JOINT

Pronunciation:			'pivut joynt
WordNet Dictionary
	Definition:		[n]  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"
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	Synonyms:		articulatio trochoidea, rotary joint, rotatory joint
	See Also:		articulatio synovialis, synovial joint