/ Dictionary / Index O OLG: Meaning and Definition of Find definitions for: OLG Pronunciation: [key] Old Low German. O.L.G. Pronunciation: [key] Old Low German. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. olfactory nerve Olga Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language