quirk
An idiosyncrasy; a slight glitch, mannerism; something unusual about the manner or style of something or someone.
(architecture) An acute angle dividing a molding; a groove that runs lengthwise between the upper part of a moulding and a soffit.
(archaic) A quibble, evasion, or subterfuge.
To (cause to) move with a wry jerk.
(architecture) To furnish with a quirk or channel.
To alter in a unique and unusual way.
(archaic) To use verbal tricks or quibbles.