Synset
the motion made by flapping up and down
<noun.event>
flap
flapping
flutter
fluttering
lexical pointers
derivationally related form
flap
flap
flap
flap
lexical pointers
derivationally related form
flap
flap
flap
flap
lexical pointers
derivationally related form
flutter
semantic pointers
hypernym
wave, undulation