/ Dictionary / Index A Asosan: Meaning and Definition of Find definitions for: A•so•san Pronunciation: (ä'sô-sän'), [key] — n. a volcano in SW Japan, in central Kyushu. 5225 ft. (1593 m); crater 12 mi. (19 km) across. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. asonia asp Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language