'Left-handed screw' definitions:

Definition of 'Left-handed screw'

From: GCIDE
  • Left-handed \Left"-hand`ed\, a.
  • 1. Having the left hand or arm stronger and more dexterous than the right; using the left hand and arm with more dexterity than the right. [1913 Webster]
  • 2. Clumsy; awkward; unlucky; insincere; sinister; malicious; as, a left-handed compliment. [1913 Webster]
  • The commendations of this people are not always left-handed and detractive. --Landor. [1913 Webster]
  • 3. Having a direction contrary to that of the hands of a watch when seen in front; -- said of a twist, a rotary motion, etc., looked at from a given direction. [1913 Webster]
  • Left-handed marriage, a morganatic marriage. See Morganatic.
  • Left-handed screw, a screw constructed to advance away from the observer, when turned, as in a nut, with a left-handed rotation. An ordinary wood screw is right-handed. [1913 Webster] Left-handedness