ˈdɪðə ˈdɪðɚ ˈdɪðə ˈdɪðɚ ˈflæpɪŋ flæps ˈflʌtɚ ˈflʌtə fʌs ˈpʌðə ˈpʌðə ˈʌndjəleɪt pronounce with a flap, of alveolar sounds make a fuss; be agitated to flutter noisily when moved by the wind flags flapped in the strong wind move in a wavy pattern or with a rising and falling motion The curtains undulated the waves rolled towards the beach move with a flapping motion The bird's wings were flapping move with a thrashing motion The bird flapped its wings The eagle beat its wings and soared high into the sky any broad thin and limber covering attached at one edge; hangs loose or projects freely he wrote on the flap of the envelope a movable airfoil that is part of an aircraft wing; used to increase lift or drag a movable piece of tissue partly connected to the body the motion made by flapping up and down an excited state of agitation he was in a dither there was a terrible flap about the theft