/ Dictionary / Index S siris: Meaning and Definition of Find definitions for: si•ris Pronunciation: (su-rēs'), [key] — n. lebbek (def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: siris (Thesaurus) Siricius Sirius 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