flutter
n 1: the act of moving back and forth [syn: {waver}, {flicker}]
2: the motion made by flapping up and down [syn: {flap}, {flapping},
{flopping}, {fluttering}]
v 1: move along rapidly and lightly; skim or dart [syn: {flit}, {fleet},
{dart}]
2: move back and forth very rapidly, as of a candle [syn: {flicker},
{waver}, {flitter}, {quiver}]
3: beat rapidly, of the heart [syn: {palpitate}]
4: wink briefly; "bat one's eyelids" [syn: {bat}]