Source : Webster's Revised Unabridged Dictionary (1913)

Elasipoda \El`a*sip"o*da\, n. pl. [NL., fr. Gr. ? metal beaten
   out, metal plate + -poda.] (Zo["o]l.)
   An order of holothurians mostly found in the deep sea. They
   are remarkable for their bilateral symmetry and curious
   forms. [Written also {Elasmopoda}.]