Lock

(lok, i. Anything that fastens something else. 2. To fasten by means of a lock; to fasten so as to impede motion. L.-finger, a peculiar and very uncommon affection of the fingers in which they suddenly become fixed in a flexed position. The locking is due to the presence of a small fibrous growth in the sheath of the extensor tendon. L.-hospital, an English hospital for the treatment of venereal diseases; it was originally kept with locked doors, whence the name. L.-jaw, tetanus; trismus. L. -spasm, Weir Mitchell's term for a severe form of writer" s cramp, the hand becoming spasmodically firmly contracted, the spasm being followed by complete relaxation.