Definition of "Lys"

A river in Hauts-de-France, France and Belgium, and a left tributary of the Scheldt at Gent. This is the French spelling: the Dutch and German spelling is Leie.  examples

A commune in Nièvre department, Bourgogne-Franche-Comté, France.  examples

A commune in Pyrénées-Atlantiques department, Nouvelle-Aquitaine, France.  examples