1. flap - Noun
2. flap - Verb
Anything broad and limber that hangs loose, or that is attached by one side or end and is easily moved; as, the flap of a garment.
A hinged leaf, as of a table or shutter.
The motion of anything broad and loose, or a stroke or sound made with it; as, the flap of a sail or of a wing.
A disease in the lips of horses.
To beat with a flap; to strike.
To move, as something broad and flaplike; as, to flap the wings; to let fall, as the brim of a hat.
To move as do wings, or as something broad or loose; to fly with wings beating the air.
To fall and hang like a flap, as the brim of a hat, or other broad thing.
Source: Webster's dictionaryThe bird's wings were flapping Source: Internet
The bird flapped its wings Source: Internet
The eagle beat its wings and soared high into the sky Source: Internet
he was in a dither Source: Internet
there was a terrible flap about the theft Source: Internet
he wrote on the flap of the envelope Source: Internet