What is "abarticulation"

Abarticulation \Ab`ar*tic`u*la"tion\ ([a^]b`[aum]r*t[i^]k`[-u]*l[=a]"sh[u^]n), 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.

n. 1 (context anatomy English) An articulation, especially one that permits free motion in the joint; a hinge joint. 2 The act of dislocating a joint.(reference-book last = first = authorlink = coauthors = editor =Thomas, Clayton L. others = title =Taber's Encyclopedic Medical Dictionary origdate = origyear = 1940 origmonth = url = format = accessdate = accessyear = accessmonth = edition = 5th date = year =1993 month = publisher =F. A. Davis Company location =Philadelphia, PA language = id = doi = isbn =0-8036-8313-8 lccn = ol = pages =1 chapter = chapterurl = quote =)

n : dislocation of a joint