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 fluctuate; to be uncertainty.