/ Dictionary / Index P poriferous: Meaning and Definition of Find definitions for: po•rif•er•ous Pronunciation: (pô-rif'ur-us, pō-, pu-), [key] — adj. bearing or having pores. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: poriferous (Thesaurus) poriferan poriform Related Content Daily Word Quiz: prevalent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language