| Noun | 1. | Myriapoda - arthropods having the body composed of numerous double somites each with two pairs of legs: millipedesArthropoda, phylum Arthropoda - jointed-foot invertebrates: arachnids; crustaceans; insects; millipedes; centipedes millepede, milliped, millipede - any of numerous herbivorous nonpoisonous arthropods having a cylindrical body of 20 to 100 or more segments most with two pairs of legs class - (biology) a taxonomic group containing one or more orders |