/ Dictionary / Index S syllabarium: Meaning and Definition of Find definitions for: syl•la•bar•i•um Pronunciation: (sil"u-bâr'ē-um), [key] — pl. -bar•i•a syllabary. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. syll. syllabary 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