ar·thro·pod
noun/ˈɑːθrəpɒd/
/ˈɑːrθrəpɑːd/
(biology)- an invertebrate animal such as an insect, spider or crab, that has its skeleton on the outside of its body and has joints on its legs
节肢动物 Word Originmodern Latin (plural), from Greek arthron ‘joint’ + pous, pod- ‘foot’.