Wal·do 
(wôldō, wäl-) or Val·do (văl-, väl-), Peter Also known as Peter or Pierre Valdès. fl. 12th century.
(wôldō, wäl-) or Val·do (văl-, väl-), Peter Also known as Peter or Pierre Valdès. fl. 12th century. French religious leader who founded the Waldenses and was excommunicated in 1184.