(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.