Quirk

Webster's Dictionary of the English Language

·noun A fit or turn; a short paroxysm; a caprice.

II. Quirk ·noun An irregular air; as, light quirks of music.

III. Quirk ·noun A smart retort; a quibble; a shallow conceit.

IV. Quirk ·noun A small channel, deeply recessed in proportion to its width, used to insulate and give relief to a convex rounded molding.

V. Quirk ·noun A piece of ground taken out of any regular ground plot or floor, so as to make a court, yard, ·etc.;

— sometimes written quink.

VI. Quirk ·noun A sudden turn; a starting from the point or line; hence, an artful evasion or subterfuge; a shift; a quibble; as, the quirks of a pettifogger.