A flipper or flattened appendage of certain animals.

某些动物身上的鳍状肢或扁平附肢。

youdao

He usually has his head buried in the guts of a vintage machine, maybe fixing a flipper on Mata Hari.

FORBES: Magazine Article

Even if you are not looking to build a career as a home flipper, you might be in the market to purchase a short sale or foreclosed property.

FORBES: Are Distressed Homes Worth Buying?

He claims he applied to be a burger-flipper six months ago.

ECONOMIST: Out of sight, out of mind