phylum arthropoda definition
1. any invertebrate of the phylum Arthropoda, having a segmented body, jointed limbs, and a mineralized chitinous shell covering and including insects, spiders and other arachnids, crustaceans, and myriapods. 2.Also, arâ¢thropâ¢oâ¢dal (ÉrËÎ¸rÉp É dl) arâ¢thropâ¢oâ¢dan (ÉrËÎ¸rÉp É dn) belonging or pertaining to the Arthropoda.. any invertebrate of the phylum Arthropoda, having a segmented body, jointed limbs, and a mineralized chitinous shell covering and including insects, spiders and other arachnids, crustaceans, and myriapods. 2. Also, arâ¢thropâ¢oâ¢dal (ÉrËÎ¸rÉp É dl) arâ¢thropâ¢oâ¢dan (ÉrËÎ¸rÉp É dn) belonging or pertaining to the Arthropoda.