pur·pu·ra (pûr?p?-r?, -py?-)n. A condition characterized by hemorrhages in the skin and mucous membranes that result in the appearance of purplish spots or patches.[Latin, purple; see purple.]pur·pu?ric (-pyo?or??k) adj.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.purpura (?p??pj?r?) n (Pathology) pathol any of several blood diseases causing purplish spots or patches on the skin due to subcutaneous bleeding[C18: via Latin from Greek porphura a shellfish yielding purple dye] ?purpuric adjCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014pur?pu?ra (?p?r py??r ?) n. a skin rash of purple or brownish red spots resulting from the bleeding into the skin of subcutaneous capillaries. [1745?55;