/ Dictionary / Index A Arthropoda: Meaning and Definition of Find definitions for: Ar•throp•o•da Pronunciation: (är-throp'u-du), [key] — n. the phylum comprising the arthropods. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: arthropoda (Thesaurus) arthropod arthroscope 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