/ Dictionary / Index A AF: Meaning and Definition of Find definitions for: AF Pronunciation: [key] Air Force. Anglo-French. Asian Female. af- Pronunciation: [key] var. ofbefore f: affect. Af. Pronunciation: [key] Africa. African. A.F. Pronunciation: [key] Air Force. Anglo-French. audio frequency. a.f. Pronunciation: [key] audio frequency. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Aetolus A.F.A. Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language