1. The motion made by flapping up and down
   - flap, flapping, flutter

1. Move along rapidly and lightly; skim or dart
   - flit, fleet, dart 
2. Move back and forth very rapidly
   - flicker, waver, flitter, quiver 
3. Flap the wings rapidly or fly with flapping movements
   "The seagulls fluttered overhead" 
4. Beat rapidly
   - palpitate 
5. Wink briefly
   - bat

Derived forms: flutterings

Type of: beat, blink, flap, hurry, move back and forth, nictate, nictitate, pound, speed, thump, travel rapidly, undulation, wave, wink, zip

Encyclopedia: Flutter

• River Arno
• River Avon
• river basin
• river birch
• river blindness
• river boat
• river bottom
• river boulder
• River Cam
• River Cocytus
• river cooter
• river dolphin
• river gum
• river horse
• River Kasai
• River Lethe
• river limpet
• river otter
• river pear
• river prawn
• river red gum
• River Severn
• river shad
• River Styx
• River Thames