beat or move tremulously
1flutter — I. v. n. 1. Hover, flap the wings quickly. 2. Flap, move rapidly, flirt. 3. Tremble, palpitate, beat or move tremulously. 4. Flaunt, make a show, make a parade, cut a dash, be ostentatious. 5. Fluctuate, waver, oscillate, vacillate, be fickle, be …
