/ Dictionary / Index A a.k.a.: Meaning and Definition of Find definitions for: a.k.a. Pronunciation: [key] also known as: According to police records he is Joe Smith a.k.a. “Baby Face Smith” and Joseph Smathers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. AK Akaba Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language