One that beats, especially a device for beating: a carpet beater. (noun)
A person who drives wild game from under cover for a hunter.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "beater" in a sentence
"Beat constantly with electric beater while it cooks for 7 minutes or until it will stand in peaks when beater is raised."
"My beater is a Win. 67, given to me by a brother-in-law in 1952, no frills or foofaraw, or scope, just a very dependable single shot .22 that I have killed hundreds of squirrels and rabbits with, and wouldn't trade it for a boat load of tricked-out 10/22s."
"A wife-beater is an undershirt with no arms, stereotypically worn without a covering shirt by the kind of guys who feature prominently on the TV show “Cops”."