- A fixed point of time, usually an epoch, from which a series of years is reckoned."The foundation of Solomon's temple is conjectured by Ideler to have been an era." [R. S. Poole.]
- 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 erasee under Christian). "The first century of our era." [M. Arnold.]
- A period of time in which a new order of things prevails; a signal stage of history; an epoch."Painting may truly be said to have opened the new era of culture." [J. A. Symonds.]synonyms: Epoch; time; date; period; age; dispensation. See Epoch.
Etymology: LL. aera an era, in earlier usage, the items of an account, counters, pl. of aes aeris, brass, money. See Ore