/ Dictionary / Index A ASM: Meaning and Definition of Find definitions for: ASM Pronunciation: [key] air-to-surface missile. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. aslope Asmara Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language