A type of shoe with a paddle-like front extending well beyond the end of the toe, used an aid in swimming (especially underwater).

the broad flat forelimbs of whales. Flippers are supported by bones. They're used for steering and stopping.

Paddlelike forelimbs that help a whale steer through water.

The most movable part of a pinball playfield, that is used by the player to direct the ball.

Slang term for a DVD on which a film is split on two sides. Some longer films released on early DVDs are flippers, but the advent of better compression technology and RSDL discs eliminated the need for these. See also layer change, RSDL, and compression.