the world > animals > birds > freshwater birds > order Anseriformes (geese, etc.) > subfamily Merginae (duck) > [interjection] > quack (4)
Representing the characteristic harsh sound of a duck, or a noise resembling this. Cf. earlier queck, int.1 and see also quack quack, int.
Representing the harsh sound characteristically made by a duck, or a noise resembling this. Cf. quack, int.
The harsh call of a night heron, duck, or other bird.