The Collaborative International Dictionary of English v.0.48:

Left-hand \Left"-hand`\ (l[e^]ft"h[a^]nd`), a.
   Situated on the left; nearer the left hand than the right;
   as, the left-hand side; the left-hand road.
   [1913 Webster]

   Left-hand rope, rope laid up and twisted over from right to
      left, or against the sun; -- called also water-laid
      rope.
      [1913 Webster]