flutter: Meaning and Definition of

flut•ter

1. to wave, flap, or toss about: Banners fluttered in the breeze.
2. to flap the wings rapidly; fly with flapping movements.
3. to move in quick, irregular motions; vibrate.
4. to beat rapidly, as the heart.
5. to be tremulous or agitated.
6. to go with irregular motions or aimless course: to flutter back and forth.

1. to cause to flutter; vibrate; agitate.
2. to throw into nervous or tremulous excitement; cause mental agitation; confuse.

1. a fluttering movement: He made little nervous flutters with his hands.
2. a state of nervous excitement or mental agitation: a flutter of anticipation.
3. See
4. a variation in pitch resulting from rapid fluctuations in the speed of a recording. Cf. wow (def. 1).
5. a small wager or speculative investment.