Definitions
1.verbTo flap or wave quickly but irregularly."flags fluttering in the wind"
2.verbOf a winged animal: to flap the wings without flying; to fly with a light flapping of the wings.
3.verbTo cause something to flap."A bird flutters its wings."
4.verbTo drive into disorder; to throw into confusion.
5.verbTo be in a state of agitation or uncertainty.
6.verbTo be frivolous.
7.nounRapid back-and-forth waving or oscillation.