Found 1 items, similar to Epiphragm.
English → English (gcide) Definition: Epiphragm Epiphragm \Ep"i*phragm\, n. [Gr. ? a covering, lid, fr. ? to block up.] (Zo["o]l.) A membranaceous or calcareous septum with which some mollusks close the aperture of the shell during the time of hibernation, or estivation. [1913 Webster]