/ Dictionary / Index S Spires: Meaning and Definition of Find definitions for: Spires Pronunciation: (spīrz), [key] — n. Speyer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: spires (Thesaurus) spireme spirillum Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language