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. [ 1913 Webster ]

2. (Zool.) Having the characteristics of both muscle and epithelium; as, the myoepithelial cells of the hydra. [ 1913 Webster ]