Definitions:

1. A run that is scored in baseball due to the actions of the offensive team and not due to a mistake or error by the defense or a passed ball by the catcher. NOUN
   • Despite a solid outing, she was charged with three earned runs after the opposing team's strong hittings.
2. A run that was not scored as the result of an error by the other team. NOUN
   • Earned runs are a key statistics in determining the outcome of baseball games.
3. A term used in baseball to describe a run that is scored against a pitcher without the aid of a fielding error or passed ball, used to measure a pitcher's effectiveness. NOUN
   • The pitcher allowed two earned runs in the first inning after giving up a pair of doubles.
4. Any run for which a pitcher is held accountable. NOUN
   • A pitcher is charged with an earned run when a runner advances to home plate as a result of a hit, walk, hit batsman, or fielding error.

Synonyms:

• chargeable run
• legitimate run
• official run
• scored run