#1 flutter n. [waver, flicker] the act of moving back and forth. wn
#2 flutter v. [flit, fleet, dart] move along rapidly and lightly; skim or dart; "The hummingbird flitted among the branches". wn
#3 flutter v. [flicker, waver, flitter, quiver] move back and forth very rapidly; "the candle flickered". wn
#4 flutter n. abnormally rapid beating of the auricles of the heart (especially in a regular rhythm); can result in heart block. wn
#5 flutter n. [disturbance, disruption, commotion, hurly burly, to-do, hoo-ha, hoo-hah, kerfuffle] a disorderly outburst or tumult; "they were amazed by the furious disturbance they had caused". wn
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