Webster's Revised Unabridged Dictionary · 1913

Flutter

Flutter , transitive verb

1.
To vibrate or move quickly; as, a bird flutters its wings.
2.
To drive in disorder; to throw into confusion.
Like an eagle in a dovecote, I Fluttered your Volscians in Corioli. — Shakespeare

Flutter , noun

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. — Pope
Collocations (1)
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.