Pronunciation: (är'thru-pod"), [key]
any invertebrate of the phylum Arthropoda, having a segmented body, jointed limbs, and usually a chitinous shell that undergoes moltings, including the insects, spiders and other arachnids, crustaceans, and myriapods.
Also,ar•throp•o•dalPronunciation: (är-throp'u-dl), [key] ar•throp•o•dan Pronunciation: (är-throp'u-dn), [key] ar•throp•o•dous Pronunciation: (är-throp'u-dus). [key]belonging or pertaining to the Arthropoda.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.