/ Dictionary / Index S Stefansson: Meaning and Definition of Find definitions for: Stef•ans•son Pronunciation: (stef'un-sun), [key] 1879–1962, U.S. arctic explorer and author, born in Canada. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Stefanie Steffens Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language