Athabasca
or Ath·a·bas·ka
[ ath-uh-bas-kuh ]
/ ˌæθ əˈbæs kə /
noun
Lake,
a lake in W Canada, in NW Saskatchewan and NE Alberta. About 200 miles (320 km) long; about 3000 sq. mi. (7800 sq. km).
a river in SW Alberta, Canada, flowing NE to Lake Athabasca; oil-bearing tar sands. 765 miles (1231 km) long.