Arthropods having the body composed of numerous double somites each with two pairs of legs millipedes

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Myriapoda \Myr`i*ap"o*da\, n. pl. [NL., fr. Gr. ? numberless + -poda.] (Zo["o]l.) A class, or subclass, of arthropods, related to the hexapod insects, from which they differ in having the body made up of numerous similar segments, nearly all of which bear ...

Wikipedia Word definitions in Wikipedia
Myriapoda is a subphylum of arthropods containing millipedes , centipedes , and others. The group contains over 13,000 species, all of which are terrestrial . Although their name suggests they have myriad (10,000) legs, myriapods range from having over ...