Definitions of flutter:

  • noun:   abnormally rapid beating of the auricles of the heart (especially in a regular rhythm); can result in heart block
  • noun:   the act of moving back and forth
  • noun:   the motion made by flapping up and down
  • noun:   a disorderly outburst or tumult
  • verb:   wink briefly
  • verb:   beat rapidly
  • verb:   move along rapidly and lightly; skim or dart
  • verb:   move back and forth very rapidly