/ Dictionary / Index O Old Norse: Meaning and Definition of Find definitions for: Old' Norse' Pronunciation: [key] the Germanic language of medieval Scandinavia. Abbr.: ON Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Old Nick Old North French Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language