QUACK


Meaning of QUACK in English

I. ˈkwak intransitive verb

Etymology: alteration of queck to quack, from Middle English queken, from queke, interjection, of imitative origin

Date: 14th century

: to make the characteristic cry of a duck

II. noun

Date: 1798

: a noise made by quacking

III. intransitive verb

Etymology: quack (IV)

Date: 1628

: to act like a quack

IV. noun

Etymology: short for quacksalver

Date: 1638

1. : charlatan 2

2. : a pretender to medical skill

• quack·ish ˈkwa-kish adjective

V. adjective

Date: 1653

: of, relating to, or used by quacks

quack cancer cures

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.