Dionysius Exiguus[ig zig′yo̵̅o̅ əs, -sig′-]
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
6th cent. ; Rom. monk & Christian theologian, born in Scythia: believed to have introduced the current system of numbering years on the basis of the Christian Era
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Scythian monk and scholar who introduced the method of reckoning the Christian era from the birth of Christ.