/ Dictionary / Index S syconium: Meaning and Definition of Find definitions for: sy•co•ni•um Pronunciation: (sī-kō'nē-um), [key] — pl. -ni•a a multiple fruit developed from a hollow fleshy receptacle containing numerous flowers, as in the fig. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: syconium (Thesaurus) sycon syconoid Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language