/ Dictionary / Index S Sirenum: Meaning and Definition of Find definitions for: Si•re•num Pronunciation: (si-rē'num), [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sirenic Siret Related Content Daily Word Quiz: ounterfeit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language