earned run average

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earned run average

n. Abbr. ERA Baseball
A measure of a pitcher's performance obtained by dividing the total of earned runs allowed by the total of innings pitched and multiplying by nine.

earned′ run′ av`erage


n.
a figure used to indicate the effectiveness of a baseball pitcher, obtained by calculating the average number of earned runs scored against the pitcher for every nine innings pitched. Abbr.: ERA, era
[1945–50]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.earned run average - (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, baseball game - a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs; "he played baseball in high school"; "there was a baseball game on every empty lot"; "there was a desire for National League ball in the area"; "play ball!"
criterion, standard, touchstone, measure - a basis for comparison; a reference point against which other things can be evaluated; "the schools comply with federal standards"; "they set the measure for all subsequent work"