Source : Webster's Revised Unabridged Dictionary (1913)

Diplopoda \Di*plop"o*da\, n. pl. [Gr. ? double + -poda.]
   (Zo["o]l.)
   An order of myriapods having two pairs of legs on each
   segment; the Chilognatha.

Source : WordNet®

Diplopoda
     n : arthropods having the body composed of numerous double
         somites each with two pairs of legs: millipedes [syn: {class
         Diplopoda}, {Myriapoda}, {class Myriapoda}]