/ Dictionary / Index A abecedarium: Meaning and Definition of Find definitions for: a•be•ce•dar•i•um Pronunciation: (ā"bē-sē-dâr'ē-um), [key] — pl. -dar•i•a a primer, esp. for teaching the alphabet. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. abecedarian abecedary Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language