plegia: Suffix meaning paralysis or a stroke. As in cardioplegia (paralysis of the heart), hemiplegia (paralysis of one side of the body), paraplegia (paralysis of the legs), and quadriplegia (paralysis of all four extremities). From the Greek plege meaning a blow or stroke. Found on http://www.medterms.com/script/main/art.asp?articlekey=26809