1. (

• flap

) any broad thin and limber covering attached at one edge; hangs loose or projects freely; "he wrote on the flap of the envelope" ;

2. (

• dither ,
• pother ,
• fuss ,
• tizzy ,
• flap

) an excited state of agitation; "he was in a dither"; "there was a terrible flap about the theft" ;

3. (

• flap ,
• flapping ,
• flutter ,
• fluttering

) the motion made by flapping up and down ;

4. (

• flap

) a movable piece of tissue partly connected to the body ;

5. (

• flap ,
• flaps

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

1. (

• roll ,
• undulate ,
• flap ,
• wave

) move in a wavy pattern or with a rising and falling motion; "The curtains undulated"; "the waves rolled towards the beach" ;

2. (

• flap

) move noisily; "flags flapped in the strong wind" ;

3. (

• beat ,
• flap ,

) move with a thrashing motion; "The bird flapped its wings"; "The eagle beat its wings and soared high into the sky" ;

4. (

• beat ,
• flap ,

) move with a flapping motion; "The bird's wings were flapping" ;

5. (

• dither ,
• flap ,
• pother

) make a fuss; be agitated ;

6. (

• flap

) pronounce with a flap, of alveolar sounds ;