proper noun/o.nɛ/
Aulnay (a small village and commune of Aube department, Grand Est, France); Aulnay, Aulnay-de-Saintonge (a small town and commune of Charente-Maritime department, Nouvelle-Aquitaine, France); Aulnay (a small village and commune of Vienne department, Nouvelle-Aquitaine, France); Aulnay (short for Aulnay-sous-Bois, a city and commune in the Seine-Saint-Denis department, Île-de-France, France)
Inherited from Latin Aunaium, with later addition of the spurious silent letter -l-.