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

Hypernym(s): covering

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

Synonym(s): dither, pother, fuss, tizzy

Hypernym(s): agitation

· the motion made by flapping up and down

Synonym(s): flapping, flutter, fluttering

Hypernym(s): wave, undulation

· a movable piece of tissue partly connected to the body

Hypernym(s): animal_tissue

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

Synonym(s): flaps

Hypernym(s): airfoil, aerofoil, control_surface, surface

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

Synonym(s): roll, undulate, wave

Hypernym(s): move

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

Hypernym(s): beat, pound, thump

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

Synonym(s): beat

Hypernym(s): move, displace

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

Synonym(s): beat

Hypernym(s): move

· make a fuss; be agitated

Synonym(s): dither, pother

Hypernym(s): fuss, niggle, fret

· pronounce with a flap, of alveolar sounds

Hypernym(s): pronounce, articulate, enounce, sound_out, enunciate, say