D defs.my
Entry 2 senses Webster, 1913

anchylosis

/(ăṉ`kĭ*lō"sĭs)/ · an·chy·lo·sis · IPA
01 n. The process of formation of a stiff joint; also, the abnormal adhesion and rigidity of the bones of a joint which has become stiff.
  1. 1.
    The process of formation of a stiff joint; also, the abnormal adhesion and rigidity of the bones of a joint which has become stiff.(Med.)
  2. 2.
    The union of two or more separate bones to from a single bone; the close union of bones or other structures in various animals.(Anat.)