a. Pertaining to, or consisting of, entrochites, or the joints of encrinites; -- used of a kind of stone or marble. [ 1913 Webster ]
a. [ Meso- + Gr. &unr_; anything round, a hoop. ] (Zool.) Having the middle of the body surrounded by bands of cilia; -- said of the larvae of certain marine annelids. [ 1913 Webster ]
a. [ From Gr. &unr_; a wheel. ] (Zool.) Resembling a wheel. [ 1913 Webster ]
Trochal disk (Zool.),