/ Dictionary / Index S spiegeleisen: Meaning and Definition of Find definitions for: spie•gel•ei•sen Pronunciation: (spē'gul-ī"zun), [key] — n. a lustrous, crystalline pig iron containing a large amount of manganese, sometimes 15 percent or more, used in making steel. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: spiegeleisen (Thesaurus) spidery spiel Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language