/ Dictionary / Index R r.g.: Meaning and Definition of Find definitions for: r.g. Pronunciation: [key] — Football. Football. right guard. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rg (Thesaurus) RFQ RGB Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language