- metastomium
- ‖ metastomium Zool.
(mɛtəˈstəʊmɪəm)[Formed as prec.]Lankester's term for the whole hinder (i.e. the mouthed) portion of a simple metazoan soma. Hence metaˈstomial a.Ray Lankester in Q. Jrnl. Microsc. Sci. XVII. 427.
Useful english dictionary. 2012.