[quirk] n [origin unknown] (1565) 1 a: an abrupt twist or curve b: a peculiar trait: idiosyncrasy c: accident, vagary "a ~ of fate"
2: a groove separating a bead or other molding from adjoining members -- quirk.i.ly adv -- quirk.i.ness n -- quirk.ish adj -- quirky adj
[2]quirk vb (1596): curve, twist "~ed his eyebrows"