eggbeater

noun5

1. •
   A kitchen utensil that uses rotating blades to beat eggs.
2. •
   (old-fashioned) A (wire) whisk.

   • With a wire eggbeater, lower the oysters into this three or four at a time. — 1919
3. •
   A swimming stroke involving alternating kicks.
4. •
   (slang) A helicopter.

   • He scanned the horizon to the south, searching in vain for the eggbeater. — 2008
5. •
   (slang) An outboard motor.