mil·li·pede also mil·le·pede 
(mĭlə-pēd′)
(mĭlə-pēd′)n.
Any of various arthropods of the class Diplopoda, having a cylindrical segmented body with two pairs of legs attached to each segment except for the first four thoracic segments, and feeding chiefly on decaying organic matter. Also called diplopod.
[Latin mīlipeda, a kind of insect : mīlle, thousand; see gheslo- in the Appendix of Indo-European roots + pēs, ped-, foot; see ped- in the Appendix of Indo-European roots.]