The definition of arthropod is an animal without a back bone, with six or more jointed legs, a segmented body and a supporting structure on the outside.
An example of arthropod is a scorpion.
any of the largest phylum (Arthropoda) of invertebrate animals with jointed legs, a segmented body, and an exoskeleton, including insects, crustaceans, arachnids, and myriapods
Origin of arthropodarthro- + -pod
Any of numerous invertebrate animals of the phylum Arthropoda, including the insects, crustaceans, arachnids, and myriapods, that are characterized by a chitinous exoskeleton, a segmented body, and jointed appendages.
Origin of arthropodFrom New Latin Arthropoda phylum name arthro- New Latin -poda -pod
- ar·throp′o·dan ar·throp′o·dal
(plural arthropods or arthropodae)