/ Dictionary / Index S Siricius: Meaning and Definition of Find definitions for: Si•ri•ci•us Pronunciation: (si-rish'ē-us), [key] dieda.d.399, pope 384–399. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Sirica siris 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