Noun Definition

era

1.Definition: (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

Category: General

2.Definition: a major division of geological time; an era is usually divided into two or more periods

Category: General

3.Definition: a period marked by distinctive character or reckoned from a fixed point or event

Related Noun(s):epoch

Category: General