QUIRK, noun quurk.
1. Literally, a turn; a starting from the point or line; hence, an artful turn for evasion or subterfuge; a shift; a quibble; as the quirks of a pettifogger.
2. A fit or turn; a short paroxysm; as a quirk of joy or grief.
3. A smart taunt or retort.
I may chance to have some odd quirks and remnants of wit broken on me.
4. A slight conceit or quibble.
5. A flight of fancy. [Not in use.]
6. An irregular air; as light quirks of music.
7. In building, a piece of ground taken out of any regular ground-plot or floor, as to mark a court or yard, etc.