Arthropoda, 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

category, class, family - a collection of things sharing a common attribute; "there are two classes of detergents"