Mount, a volcanic mountain in Japan, in central Kyushu, noted for its vast caldera. 5223 feet (1593 meters).

Also called A·so·san [ah-soh-sahn] /ˌɑ soʊˈsɑn/. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for aso

Historical Examples of aso

  • The dogs (aso)are surly, ill-kept creatures of mongrel breed.

    The Tinguian

    Fay-Cooper Cole

  • Aso san, the monster crater of Japan, largest by far in the world, is fourteen miles long by ten wide and contains many farms.

    The Book of the National Parks

    Robert Sterling Yard

  • For the accomplishment of his ends he leagued himself with Aso, the queen of Ethiopia, and seventy-two other conspirators.

British Dictionary definitions for aso



a group of five volcanic cones in Japan on central Kyushu, one of which, Naka-dake, has the largest crater in the world, between 16 km (10 miles) and 24 km (15 miles) in diameter. Highest cone: 1592 m (5223 ft)Also called: Asosan (ˌɑːsəʊˈsɑːn)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012