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1. The motion made by flapping up and down
   "the sudden flapping of the startled pigeons";
   - flap, flutter, fluttering
    
2. (phonology) a phonological process found in many dialects of English, especially American English and Canadian English, by which intervocalic /t/ and /d/ surface as the alveolar flap before an unstressed syllable, so that words such as "metal" and "medal" are pronounced similarly or identically

1. (of wings) move up and down with a thrashing motion
   "The bird flapped its wings";
   - beat
    
2. Move in a wavy pattern or with a rising and falling motion
   "the waves flapped towards the beach";
   - roll, undulate, wave
    
3. To flutter noisily when moved by the wind
   "flags flapped in the strong wind"
    
4. Move with a flapping motion
   "The bird's wings were flapping";
   - beat
    
5. Make a fuss; be agitated
   - dither, pother
    
6. Pronounce with a flap, of alveolar sounds

Derived forms: flappings

Type of: articulate, beat, displace, enounce, enunciate, fret, fuss, move, niggle, pound, pronounce, say, sound out, thump, undulation, wave

Encyclopedia: Flapping