say it: ER-uh
era is a noun meaning "a period marked by distinctive character or reckoned from a fixed point or event". It carries 3 recorded senses.
a period marked by distinctive character or reckoned from a fixed point or event
a major division of geological time; an era is usually divided into two or more periods
(baseball) a measure of a pitcher's effectiveness; calculated as the average number of earned runs allowed by the pitcher for every nine innings pitched
baseball
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for era come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.