\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.