/ Dictionary / Index A arthropod: Meaning and Definition of Find definitions for: ar•thro•pod Pronunciation: (är'thru-pod"), [key] — n. 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. —adj. belonging or pertaining to the Arthropoda. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: arthropod (Thesaurus) arthroplasty Arthropoda Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language