- beater (n.)
[beater 词源字典]
- mid-14c., "an implement for beating;" mid-15c., "a person who punishes" (c. 1200 as a surname); agent noun from beat (v.). Of various mechanical devices that "beat" in some sense from early 17c. Meaning "one who rouses game" is from 1825. Slang meaning "old car" is from c. 1980.[beater etymology, beater origin, 英语词源]