1. a broad flat limb of a sea animal (such as a seal or whale) used for swimming
2. a flat rubber shoe worn on the foot to help with swimming
3. a pivoted arm in a pinball machine used to hit the ball

Examples

• The seal used its flippers to propel itself through the water.
• Whales have large flippers that help them navigate the ocean.
• She put on her flippers before diving into the pool.
• The scuba divers wore flippers to swim more efficiently.
• He hit the flipper button to keep the pinball in play.
• The pinball rolled toward the flipper at the bottom of the machine.
• Dolphins are born with flippers instead of arms or legs.