1.the act of moving back and forth
2.abnormally rapid beating of the auricles of the heart (especially in a regular rhythm); can result in heart block
3.a disorderly outburst or tumult;
they were amazed by the furious disturbance they had caused
4.the motion made by flapping up and down
1.move along rapidly and lightly; skim or dart
2.move back and forth very rapidly;
the candle flickered
3.beat rapidly;
His heart palpitated
4.wink briefly;
bat one's eyelids