Examples from the Web for beater
Asher King Abramson, UCLA Quidditch president and beater, agreed.From J.K. Rowling’s Harry Potter Novels to Real Life: The Sport of Quidditch Takes Flight|Jace Lacob|March 14, 2012|DAILY BEAST
He saw an unfamiliar “beater” in the driveway one evening and called 911.
He left Owen with the beater and walked on to the edge of the covert.The Reef|Edith Wharton
But, being a Londoner, he was more probably a gold-beater, or perhaps a beater of cloth.The Romance of Names|Ernest Weekley