Ruffle
Part of speech: verb
Definition: To make a ruffle in; to curl or flute, as an edge of fabric. To disturb ; especially, to cause to flutter.
Part of speech: noun
Definition: Any gathered or curled strip of fabric added as trim or decoration.
Undulate
Part of speech: adjective
Definition: Wavy in appearance or form.Changing the pitch and volume of one's voice.Winding up and down gradually relative to the blade.
Part of speech: verb
Definition: To cause to move in a wavelike motion.To cause to resemble a waveTo move in wavelike motions.To appear wavelike.