- [noun] any broad thin and limber covering attached at one edge; hangs loose or projects freely; "he wrote on the flap of the envelope"
- [noun] an excited state of agitation; "he was in a dither"; "there was a terrible flap about the theft"
Synonyms: dither, pother, fuss, tizzy
- [noun] the motion made by flapping up and down
Synonyms: ping, flutter, fluttering
- [noun] a movable piece of tissue partly connected to the body
- [noun] a movable airfoil that is part of an aircraft wing; used to increase lift or drag
- [verb] move in a wavy pattern or with a rising and falling motion; "The curtains undulated"; "the waves rolled towards the beach"
Synonyms: roll, undulate, wave
- [verb] move noisily; "flags flapped in the strong wind"
- [verb] move with a thrashing motion; "The bird flapped its wings"; "The eagle beat its wings and soared high into the sky"
- [verb] move with a flapping motion; "The bird's wings were flapping"
- [verb] make a fuss; be agitated
Synonyms: dither, pother
- [verb] pronounce with a flap, of alveolar sounds
- pocket flap
tent-fly, rainfly, fly sheet, fly, tent flap
soft palate, velum
- protective fold
- landing flap