/ Dictionary / Index S speiss: Meaning and Definition of Find definitions for: speiss Pronunciation: (spīs), [key] — n. Metall. a product obtained in smelting certain ores, consisting of one or more metallic arsenides, as of iron or nickel. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. speer spelaean Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language