Main Entry: Aso, Mount

Pronunciation: \ˈä-(ˌ)sō\

Variant(s): or Aso·san \ˈä-sō-ˌsän\

Function: geographical name

volcanic mountain Japan in central Kyushu; has five volcanic cones grouped around crater 15 miles (24 kilometers) long with walls 2000 feet (610 meters) high