Fluter vs. Flutter: What's the Difference?

Fluter and Flutter Definitions
Fluter
A high-pitched woodwind instrument consisting of a slender tube closed at one end with keys and finger holes on the side and an opening near the closed end across which the breath is blown. Also called transverse flute.
Flutter
To wave or flap rapidly in an irregular manner
Curtains that fluttered in the breeze.
Fluter
Any of various similar reedless woodwind instruments, such as the recorder.
Flutter
To fly by a quick light flapping of the wings.
Fluter
An organ stop whose flue pipe produces a flutelike tone.
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Flutter
To flap the wings without flying.
Fluter
(Architecture) A long, usually rounded groove incised as a decorative motif on the shaft of a column, for example.
Flutter
To move or fall in a manner suggestive of tremulous flight
"Her arms rose, fell, and fluttered with the rhythm of the song" (Evelyn Waugh).
Fluter
A similar groove or furrow, as in a pleated ruffle of cloth or on a piece of furniture.
Flutter
To vibrate or beat rapidly or erratically
My heart fluttered wildly.
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Fluter
A tall narrow wineglass, often used for champagne.
Flutter
To move quickly in a nervous, restless, or excited fashion; flit.
Fluter
(Music) To play (a tune) on a flute.
Flutter
To cause to flutter
"fluttering her bristly black lashes as swiftly as butterflies' wings" (Margaret Mitchell).
Fluter
To produce in a flutelike tone.
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Flutter
The act of fluttering.
Fluter
To make flutes in (a column, for example).
Flutter
A condition of nervous excitement or agitation
Everyone was in a flutter over the news that the director was resigning.
Fluter
(Music) To play a flute.
Flutter
A commotion; a stir.
Fluter
To sing, whistle, or speak with a flutelike tone.
Flutter
(Medicine) Abnormally rapid pulsation, especially of the atria or ventricles of the heart.
Fluter
Someone who plays a flute.
Flutter
Rapid fluctuation in the pitch of a sound reproduction resulting from variations in the speed of the recording or reproducing equipment.
Fluter
One who makes grooves or flutings.
Flutter
Chiefly British A small bet; a gamble
"If they like a flutter, Rick will get them better odds than the bookies" (John le Carré).
Fluter
One who plays on the flute; a flutist or flautist.
Flutter
(intransitive) To flap or wave quickly but irregularly.
Flags fluttering in the wind
Fluter
One who makes grooves or flutings.
Flutter
(intransitive) Of a winged animal: to flap the wings without flying; to fly with a light flapping of the wings.
Flutter
To undergo divergent oscillations (potentially to the point of causing structural failure) due to a positive feedback loop between elastic deformation and aerodynamic forces.
Flutter
(transitive) To cause something to flap.
A bird flutters its wings.
Flutter
(transitive) To drive into disorder; to throw into confusion.
Flutter
(intransitive) To be in a state of agitation or uncertainty.
Flutter
To be frivolous.
Flutter
To subject to a lie detector test.
Flutter
The act of fluttering; quick and irregular motion.
The flutter of a fan
Flutter
A state of agitation.
Flutter
An abnormal rapid pulsation of the heart.
Flutter
An extremely dangerous divergent oscillation caused by a positive feedback loop between the elastic deformation of an object and the aerodynamic forces acting on it, potentially resulting in rapid structural failure.
Flutter
(British) A small bet or risky investment.
Flutter
A hasty game of cards or similar.
Flutter
The rapid variation of signal parameters, such as amplitude, phase, and frequency.
Flutter
To vibrate or move quickly; as, a bird flutters its wings.
Flutter
To drive in disorder; to throw into confusion.
Like an eagle in a dovecote, I Fluttered your Volscians in Corioli.
Flutter
The act of fluttering; quick and irregular motion; vibration; as, the flutter of a fan.
The chirp and flutter of some single bird
Flutter
Hurry; tumult; agitation of the mind; confusion; disorder.
Flutter
The act of moving back and forth
Flutter
Abnormally rapid beating of the auricles of the heart (especially in a regular rhythm); can result in heart block
Flutter
A disorderly outburst or tumult;
They were amazed by the furious disturbance they had caused
Flutter
The motion made by flapping up and down
Flutter
Move along rapidly and lightly; skim or dart
Flutter
Move back and forth very rapidly;
The candle flickered
Flutter
Beat rapidly;
His heart palpitated
Flutter
Wink briefly;
Bat one's eyelids