Refers to the limb of a seal, dolphin, or similar animal. Used in zoological and everyday contexts.
The seal flapped its flippers.
swim fin; flipper (for swimming)
A rubber or plastic fin worn on the feet for swimming or diving. Often called フィン as well.
See also: フィン
I bought swim fins because I'm going snorkeling.
The mechanical flipper in a pinball machine that the player controls.
Skillfully operate the pinball flippers to aim for a high score.
channel surfer
A person who frequently changes TV channels. Related to ザッピング (zapping).
See also: ザッピング
He's a channel surfer; he changes the channel as soon as commercials come on.