Defn: The quagga.
QUACK
Quack, v. i. [imp. & p. p. Qvacked; p. pr. & vb. n. Quacking.] Etym:
[Of imitative origin; cf. D. kwaken, G. quacken, quaken, Icel. kvaka
to twitter.]
1. To utter a sound like the cry of a duck.
2. To make vain and loud pretensions; to boast. " To quack of universal cures." Hudibras.
3. To act the part of a quack, or pretender.
QUACK
Quack, n.
1. The cry of the duck, or a sound in imitation of it; a hoarse, quacking noise. Chaucer.
2. Etym: [Cf. Quacksalver.]
Defn: A boastful pretender to medical skill; an empiric; an ignorant practitioner.
3. Hence, one who boastfully pretends to skill or knowledge of any kind not possessed; a charlatan. Quacks political; quacks scientific, academical. Carlyle.