LOCKING

n. Loak'iana. The act of fastening as by a lock. -Head-1., L. of heads. In twin pregnancy, a form of dystpcia n which one child has presented by the breech and the descent of the lead is prevented by tne head of the second child in the pelvic cav- "ty, causing the chins to be locked together, la, 34.] [s. 664]