Aar(redirected from River Aar)
Also found in: Dictionary, Thesaurus, Medical.
Aar,river: see AareAare
, longest river entirely in Switzerland, 183 mi (295 km) long, rising in the Bernese Alps and fed by several glaciers. The upper Aare emerges from dam-impounded Grimsel Lake and flows generally W through Lake Brienz, past Interlaken (where it is canalized),
..... Click the link for more information. .