beat·er 
/ˈbi:tɚ/ noun
plural beat·ers /ˈbi:tɚ/ noun [count] 1 : a device or tool that is used for beating something
▪ a carpet beater — see also eggbeater, world-beater 2 : someone who repeatedly hits another person
▪ He is accused of being a wife beater. [=a man who beats his wife] ▪ a child beater 3 US, informal : an old car that is in poor condition
▪ driving a rusty old beater
▪ a carpet beater — see also eggbeater, world-beater
▪ He is accused of being a wife beater. [=a man who beats his wife] ▪ a child beater
▪ driving a rusty old beater
