flap

Every few seconds, he curled up inside, then climbed back out to wrestle with the flapping tarp.

You can cover external keyholes and add a flap or brush to your letterbox, or hang a door curtain.

A U.S. flag flapped on a pole just above a Hanwha company flag.

They can be seen running up and down flapping their wings on the ledge – 34 storeys high – while their mother has been flying past with pigeons in her talons.

In two documented chases, the bats dove for 30 and 176 seconds respectively, flapping harder, tripling their acceleration, and continuously emitting attack calls.