‖n. pl. [ NL., from Gr. &unr_; without joints + -poda. See Anarthrous. ] (Zool.) One of the divisions of Articulata in which there are no jointed legs, as the annelids; -- opposed to Arthropoda. [ 1913 Webster ]
‖n. pl. [ NL., fr. Gr. 'a`rqron joint + -poda. ] (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. [1913 Webster]