/ Dictionary / Index D Dionysius Exiguus: Meaning and Definition of Find definitions for: Diony'sius Ex•ig'u•us Pronunciation: (eg-zig'y-us, ek-sig'-), [key] died a.d. 556?, Scythian monk, chronologist, and scholar: devised the current system of reckoning the Christian era. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Dionysius Dionysius of Alexandria, Saint Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language