(1):
(n.) The act of prevaricating, shuffling, or quibbling, to evade the truth or the disclosure of truth; a deviation from the truth and fair dealing.
(2):
(n.) A secret abuse in the exercise of a public office.
(3):
(n.) The collusion of an informer with the defendant, for the purpose of making a sham prosecution.
(4):
(n.) A false or deceitful seeming to undertake a thing for the purpose of defeating or destroying it.