Purpura

n.	1.	(Med.) A disease characterized by livid spots on the skin from extravasated blood, with loss of muscular strength, pain in the limbs, and mental dejection; the purples.
	2.	(Zool.) A genus of marine gastropods, usually having a rough and thick shell. Some species yield a purple dye.

Noun

1.

purpura - any of several blood diseases causing subcutaneous bleeding Synonyms: peliosis

blood disease, blood disorder, idiopathic thrombocytopenic purpura, nonthrombocytopenic purpura, peliosis, purpura hemorrhagica, thrombocytopenic purpura, Werlhof's disease