ERA
- an epoch (a particular period of time) [n ERAS]
- an important period of time, also EPOCH, EPOCHA [n -S]
- earned run average
- a fixed point in time from which a series of years is reckoned
- memorable or important date or event
- system of chronological notation computed from a given date as basis
- period identified by some prominent figure or characteristic feature the era of the horse and buggy
- stage in development (as of a person or thing)
- large division of geologic time usually shorter than an eon Paleozoic era
- period of history