Available Definitions:
1) n. - A performer on the flute; a flautist.
2) n. - To move with quick vibrations or undulations; as, a sail flutters in the wind; a fluttering fan.
3) n. - To move about briskly, irregularly, or with great bustle and show, without much result.
4) n. - To be in agitation; to move irregularly; to flucttuate; to be uncertainty.