- (n.) A fixed point of time, usually an epoch, from which a series of years is reckoned.
- (n.) A period of time reckoned from some particular date or epoch; a succession of years dating from some important event; as, the era of Alexander; the era of Christ or the Christian era (see under Christian).
- (n.) A period of time in which a new order of things prevails; a signal stage of history; an epoch.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Era. Retrieved September 21, 2026, from http://smartdefine.org/era/definitions/2004491 |
| Chicago | Webster's. 2011. "Era" http://smartdefine.org/era/definitions/2004491 (accessed September 21, 2026). |
| Harvard | Webster's 2011, Era, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/era/definitions/2004491>. |
| MLA | Webster's. "Era" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/era/definitions/2004491> |