(Zoology)having many feet or foot-like appendages, especially denoting a phase of insect larval development characterized by a segmented abdomen with rudimentary or functional appendages (动)多足的
语源
mid 18th cent. (as a noun denoting an animal having many feet): from French polypode 'many-footed', from Greek polupous, polupod-, from polu- 'many' + pous, pod- 'foot'