/ Dictionary / Index A am/fm: Meaning and Definition of Find definitions for: am/fm Pronunciation: (ā'em"ef'em"), [key] — adj. (of a radio) able to receive both AM and FM stations. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. AMEX AMG Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language