abarticulation

from The Century Dictionary.

• noun In anatomy, a term sometimes used for diarthrosis, and also for synarthrosis. Also called dearticulation.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Anat.) Articulation, usually that kind of articulation which admits of free motion in the joint; diarthrosis.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun anatomy An articulation, especially one that permits free motion in the joint; a hinge joint.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun dislocation of a joint