- a small rotary beater for beating eggs, whipping cream, etc.
- Slang. a helicopter.
- Also called: eggwhisk a kitchen utensil for beating eggs, whipping cream, etc; whisk
- mainly US and Canadian an informal name for helicopter
also eggbeater, 1828, from egg (n.) + beater. Slang sense of “helicopter” is from 1937 from notion of whirling rotation.