flap
//flæp//
Verb
flapInfinitive
flapPresent tense
flappedPast tense
flappedPast participle
flappingPresent participle
flapsThird-person singular
1
To move wings or similar appendages up and down, especially in order to fly.
The bird flapped its wings and flew away.
2
To swing or sway loosely, typically making a noise.
The flag flapped in the wind.
3
To move something up and down or back and forth.
The bird flapped its wings and flew away.
Noun
flapSingular
flapsPlural
1
A piece of something attached on one side only, that covers an opening or hangs down.
He lifted the flap of the envelope and pulled out the letter.
2
A single up-and-down movement of a wing or arm.
The bird rose into the air with a few flaps of its wings.
3
A state of agitation or panic (informal).
Don't get in a flap—we still have time to catch the train.
4
A hinged or sliding section on an aircraft wing used to control lift.
The pilot lowered the flaps before landing.