/ Dictionary / Index R Regin: Meaning and Definition of Find definitions for: Re•gin Pronunciation: (rā'gin), [key] — n. a smith, the brother of Fafnir, who raises Sigurd and encourages him to kill Fafnir in the hope of gaining the gold he guards. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. regimentation regina 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