ovicapsule

from The Collaborative International Dictionary of English v.0.48

Ovicapsule \O`vi*cap"sule\, n. [Ovum + capsule.]
   1. (Anat.) The outer layer of a Graafian follicle.
      [1913 Webster]

   2. (Zool.) Same as {Ootheca}.
      [1913 Webster]