/ Dictionary / Index A automatic rifle: Meaning and Definition of Find definitions for: au'tomat'ic ri'fle Pronunciation: [key] a type of light machine gun capable of firing automatically or in single shots. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. automatic redial automatic teller machine Related Content Daily Word Quiz: hale Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language