Ar·throp·o·da n. pl. Zool. A large division of Articulata, embracing all those that have jointed legs. It includes Insects, Arachnida, Pychnogonida, and Crustacea. -- Ar*throp*o*dal a.
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arthropodal
adj : of or relating to invertebrates of the phylum Arthropoda
[syn: arthropodan, arthropodous]