noun \ ˈer-ə , ˈe-rə , ˈir-ə \
|Updated on: 20 Jul 2018

Definition of era

1 a : a fixed point in time from which a series of years is reckoned
b : a memorable or important date or event; especially : one that begins a new period in the history of a person or thing
2 : a system of chronological notation computed from a given date as basis
3 a : a period identified by some prominent figure or characteristic feature
  • the era of the horse and buggy
b : a stage in development (as of a person or thing)
c : a large division of geologic time usually shorter than an eon
  • Paleozoic era

Examples of era in a Sentence

  1. the era of the horse and buggy

  2. We're just now entering an era of great prosperity.

  3. His death marks the end of an era.

Recent Examples of era from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'era.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of era

Late Latin aera, from Latin, counters, plural of aer-, aes copper, money — more at ore

era Synonyms


age, day, epoch, period, time;

Synonym Discussion of era

period, epoch, era, age mean a division of time. period may designate an extent of time of any length.
    • periods of economic prosperity
epoch applies to a period begun or set off by some significant or striking quality, change, or series of events.
    • the steam engine marked a new epoch in industry
era suggests a period of history marked by a new or distinct order of things.
    • the era of global communications
age is used frequently of a fairly definite period dominated by a prominent figure or feature.
    • the age of Samuel Johnson

Other Calendar Terms



Definition of ERA

1 earned run average
2 Equal Rights Amendment

Other Baseball Terms

ERA Defined for English Language Learners


Definition of era for English Language Learners

  • : a period of time that is associated with a particular quality, event, person, etc.

ERA Defined for Kids


noun \ ˈer-ə , ˈir-ə \

Definition of era for Students

1 : a period of time starting from some special date or event or known for a certain feature
  • the computer era
2 : an important period of history
  • the colonial era

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to beat or defeat soundly

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