Quibble
Defined in 2 dictionaries — Bouvier (1914), Black's (1910)
Bouvier's Law Dictionary and Concise Encyclopedia
John Bouvier; revised by Francis Rawle · 1914
A slight difficulty raised without necessity or propriety; a cavil.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
A cavilling or verbal objection. A slight difficulty raised without necessity or propriety.