/ Dictionary / Index S Sylvia: Meaning and Definition of Find definitions for: Syl•vi•a Pronunciation: (sil'vē-u), [key] — n. a female given name. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Sylvester II Sylvian fissure Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language