arthropod /ˈɑːθɹəpɒd/ noun1 •An invertebrate animal of the phylum Arthropoda, characterized by a chitinous exoskeleton and multiple jointed appendages.In at least one other arthropod, the Stalk-eyed fly, it is the sheer length of the stalks themselves, which can be longer than the animal's body, which make the male attractive to females. — 2012 formsarthropodae · arthropods