Aargau
geographical name
Aar·gau
| \ ˈär-ˌgau̇
\
\
variants:
or French Argovie \ ˌär-gō-ˈvē
\
\
Definition of Aargau
canton in northern Switzerland bordering on Germany; capital Aarau area 542 square miles (1409 square kilometers), population 550,900