Webster’s Revised Unabridged Dictionary · 1913
Elasipoda
El′a·sip′o·da, n. pl. [NL., fr. Gr. ἐλασμός metal beaten out, metal plate + -poda.] (Zoöl.) An order of holothurians mostly found in the deep sea. They are remarkable for their bilateral symmetry and curious forms. [Written also Elasmopoda.]