MetastomaMe*tas"to*ma\, Metastome \Met"a*stome\, n. [NL. metastoma, from Gr. meta` behind + sto`ma mouth.] (Zo["o]l.) A median elevation behind the mouth in the arthropods.
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|a fool or simpleton; ninny.|