/ Dictionary / Index P purpura: Meaning and Definition of Find definitions for: pur•pu•ra Pronunciation: (pûr'pyoor-u), [key] — n. Pathol. a disease characterized by purple or brownish-red spots on the skin or mucous membranes, caused by the extravasation of blood. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: purpura (Thesaurus) purpresture purpure Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language