/ Dictionary / Index O Oslo Fiord: Meaning and Definition of Find definitions for: Os'lo Fiord' Pronunciation: [key] an inlet of the Skagerrak, in SE Norway. 75 mi. (120 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Oslo Osman Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language