A slight difficulty raised without necessity or propriety; a cavil. 2. No justly eminent member of the bar will resort to a quibble in his argument. It is contrary to his oath, which is to be true to the court as well as to the client; and bad policy because by resorting to it, he will lose his character as a man of probity.
QUIBBLE
TheLaw.com Law Dictionary & Black's Law Dictionary 2nd Ed.