'Lyopoma' definitions:

Definition of 'Lyopoma'

From: GCIDE

Lyopomata \Ly`o*po"ma*ta\, n. pl. [NL., fr. Gr. ? to loose + ?, ?, a lid.] (Zool.) An order of brachiopods, in which the valves of shell are not articulated by a hinge. It includes the Lingula, Discina, and allied forms. [Written also Lyopoma.] [1913 Webster]