from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The period coinciding with the Christian era.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. the method of numbering years whereby the current internationally recognized year is 2013 on the Gregorian calendar; secular equivalent of anno Domini and the Christian Era.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the time period beginning with the supposed year of Christ's birth
- adv. of the period coinciding with the Christian era; preferred by some writers who are not Christians
Originally Vulgar Era. The English phrase "common Era" appears at least as early as 1708, and by 1715 is used synonymously with "Christian Era" and "Vulgar Era". (Wiktionary)