Definition of Arthropoda in English:


plural noun

  • A large phylum of invertebrate animals that includes insects, spiders, crustaceans, and their relatives. They have a segmented body, an external skeleton, and jointed limbs, and are sometimes divided among several phyla.

    ‘Tardigrades, close relatives of Onychophora and Arthropoda, possess ornamented armored exoskeletons in high predation marine environments.’
    • ‘The recently published Ecdysozoa hypothesis suggests a closer relationship of the Scalidophora, Nematode, Nematomorpha, Tardigrada, Onychophora, and Arthropoda.’
    • ‘Other ecdysozoan phyla include Nematoda, Tardigrada, and Onychophora; this classification thus removes onychophorans from the Arthropoda and makes them an outgroup.’
    • ‘Fifthly, the Trilobita is by far the best-represented arthropod group within Paleozoic rocks, from an important interval in the evolutionary history of the phylum Arthropoda.’
    • ‘What light do fossils shed on the deep history of life's most diverse phylum, the Arthropoda?’



/ärˈTHräpədə/ /ɑrˈθrɑpədə/


Modern Latin (plural), from Greek arthron ‘joint’ + pous, pod- ‘foot’.