See Also: QUACK(law)
quack(dictionary)
quack-quack(dictionary)
quack(4)(dictionary)
quack(3)(dictionary)
quack(2)(dictionary)
quack(1)(dictionary)
quack(medicine)
quack medicine(medicine)
quack 1, verb(dictionary)

quack(4) (iou)



quack verb1 intrans. [kwak] M16.
[Imit.: cf. Du kwakken, German quaken croak, quack (from QUACK noun3 & interjection).]
a. Of a duck: utter its characteristic abrupt harsh sound. M16.
b. Of a raven or frog: croak. rare. E18.
transf. Make a harsh sound like that of a duck; (of a person) talk loudly or foolishly. E17.
quacker noun (colloq.) (a) a duck; (b) a person who talks loudly or foolishly: M19.