Source : Webster's Revised Unabridged Dictionary (1913)

Myoepithelial \My`o*ep`i*the"li*al\, a. [Myo- + epithelial.]
   1. (Biol.) Derived from epithelial cells and destined to
      become a part of the muscular system; -- applied to
      structural elements in certain embryonic forms.

   2. (Zo["o]l.) Having the characteristics of both muscle and
      epithelium; as, the myoepithelial cells of the hydra.