flap

the motion made by flapping up and down

move noisily

“flags flapped in the strong wind”

pronounce with a flap, of alveolar sounds

a movable airfoil that is part of an aircraft wing; used to increase lift or drag

move with a flapping motion

“The bird's wings were flapping”

make a fuss; be agitated

an excited state of agitation

“there was a terrible flap about the theft”

move in a wavy pattern or with a rising and falling motion

move with a thrashing motion

“The bird flapped its wings”

a movable piece of tissue partly connected to the body

any broad thin and limber covering attached at one edge; hangs loose or projects freely

“he wrote on the flap of the envelope”