Anat. any articulation, as of the hip, permitting free movement in any direction
Origin of diarthrosisModern Latin ; from Classical Greek diarthr?sis ; from diarthroun, to divide by joints, articulate ; from dia-, through + arthroun, to connect by a joint ; from arthron, a joint: see arthro-
Any of several types of bone articulation permitting free motion in a joint, as that of the shoulder or hip.
Origin of diarthrosisGreek diarthr&omacron;sis, from diarthroun, to articulate : dia-, between; see dia– + arthroun, to fasten by a joint (from arthron, joint; see ar- in Indo-European roots).
- (anatomy) A joint that can move freely in various planes