/ Dictionary / Index S Surt: Meaning and Definition of Find definitions for: Surt Pronunciation: (sûrt, soort), [key] the guardian and ruler of Muspelheim, destined to defeat Frey at Ragnarok and destroy the world with fire. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sursum corda surtax Related Content Daily Word Quiz: sylvan Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language