The Collaborative International Dictionary of English v.0.48:

Infibulation \In*fib`u*la"tion\, n. [L. infibulare, infibulatum,
   to clasp, buckle, or button together; pref. in- in + fibula
   clasp, buckle: cf. F. infibulation.]
   [1913 Webster]
   1. The act of clasping, or fastening, as with a buckle or
      padlock.
      [1913 Webster]

   2. The act of attaching a ring, clasp, or frame, to the
      genital organs in such a manner as to prevent copulation.
      [1913 Webster]