Flutter — Defs

01 v. t. To vibrate or move quickly; as, a bird flutters its wings.

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.” — Shak.

02 n. The act of fluttering; quick and irregular motion; vibration; as, the flutter of a fan.

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.

Phrases & compounds

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.