Abarticulation

Ab′ar‐tic′u‐la″tion (acr/b′är‐tĭk′ū̍‐lā″shŭn), n. [L. ab + E. articulation: cf. F. abarticulation. See Article.] (Anat.) Articulation, usually that kind of articulation which admits of free motion in the joint; diarthrosis. Coxe.