/ Dictionary / Index P polypore: Meaning and Definition of Find definitions for: pol•y•pore Pronunciation: (pol'ē-pôr", -pōr"), [key] — n. a woody pore fungus, Laetiporus (Polyporus) sulphureus, that forms large, brightly colored, shelflike growths on old logs and tree stumps. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: polypore (Thesaurus) polypoid polyposis Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language