flap

Anything broad and flexible that hangs loose, or that is attached by one side or end and is easily moved.

a flap of a garment

The envelope flap seemed curiously wrinkled.

A hinged leaf.

the flaps of a table

the flap of a shutter

A hinged surface on the trailing edge of the wings of an aeroplane, used to increase lift and drag.

A side fin of a ray.

The motion of anything broad and loose, or a sound or stroke made with it.

the flap of a sail

the flap of a wing

To move (something broad and loose) up and down.

The crow slowly flapped its wings.

Startled, the wood pigeon flew off, its wings flapping noisily.

To move loosely back and forth.

The flag flapped in the breeze.

For a goalkeeper to weakly attempt to play a flighted ball with the hands, failing to control it.

Former Turkey goalkeeper Rustu Recber flapped at his first Delap throw but was given a soft free-kick by referee Antony Gautier.

To pronounce (something) as a flap consonant.

To be pronounced with a flap consonant.