Flut·ter, n.
  1. The act of fluttering; quick and irregular motion; vibration; as, the flutter of a fan.
          The chirp and flutter of some single bird   --Milnes. .
  2. Hurry; tumult; agitation of the mind; confusion; disorder.
  Flutter wheel, a water wheel placed below a fall or in a chute where rapidly moving water strikes the tips of the floats; -- so called from the spattering, and the fluttering noise it makes.
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