[an.ky.lo.sis] n, pl -lo.ses [NL, fr. Gk ankylosis, fr. ankyloun to make crooked, fr. ankylos crooked --more at angle] (1713) 1: stiffness or fixation of a joint by disease or surgery
2: union of separate bones or hard parts to form a single bone or part -- an.ky.lot.ic adj