Noun

• S: (n) flap (flap%1:06:00::) (any broad thin and limber covering attached at one edge; hangs loose or projects freely) "he wrote on the flap of the envelope"
• S: (n) dither (dither%1:26:00::), pother (pother%1:26:00::), fuss (fuss%1:26:00::), tizzy (tizzy%1:26:00::), flap (flap%1:26:00::) (an excited state of agitation) "he was in a dither"; "there was a terrible flap about the theft"
• S: (n) flap (flap%1:11:01::), flapping (flapping%1:11:00::), flutter (flutter%1:11:01::), fluttering (fluttering%1:11:00::) (the motion made by flapping up and down)
• S: (n) flap (flap%1:08:00::) (a movable piece of tissue partly connected to the body)
• S: (n) flap (flap%1:06:01::), flaps (flaps%1:06:00::) (a movable airfoil that is part of an aircraft wing; used to increase lift or drag)
• S: (n) flap (flap%1:06:01::), flaps (flaps%1:06:00::) (a movable airfoil that is part of an aircraft wing; used to increase lift or drag)

Verb

• S: (v) roll (roll%2:38:10::), undulate (undulate%2:38:00::), flap (flap%2:38:01::), wave (wave%2:38:00::) (move in a wavy pattern or with a rising and falling motion) "The curtains undulated"; "the waves rolled towards the beach"
• S: (v) flap (flap%2:38:00::) (move noisily) "flags flapped in the strong wind"
• S: (v) beat (beat%2:38:04::), flap (flap%2:38:03::) (move with a thrashing motion) "The bird flapped its wings"; "The eagle beat its wings and soared high into the sky"
• S: (v) beat (beat%2:38:02::), flap (flap%2:38:02::) (move with a flapping motion) "The bird's wings were flapping"
• S: (v) dither (dither%2:37:00::), flap (flap%2:37:00::), pother (pother%2:37:00::) (make a fuss; be agitated)
• S: (v) flap (flap%2:32:00::) (pronounce with a flap, of alveolar sounds)