Yves Saint LaurentSaint Lau·rent, Yves /sæn lɒˈrɒŋ $ -ləʊˈrɑːn, iːv/ (1936–2008) a French fashion designer. He was known for being the first couture designer (=someone who designs very expensive clothes in the latest fashions) to produce ready-to-wear clothes on a large scale → see also Yves Saint Laurent