/ Dictionary / Index A Arnoldson: Meaning and Definition of Find definitions for: Ar•nold•son Pronunciation: (är'nld-sun Sw. är'n&oobreveld-sôn&sec), [key] 1844–1916, Swedish author and politician: Nobel peace prize 1908. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Arnold Arnulf 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