The Collaborative International Dictionary of English v.0.48:

Whipstitch \Whip"stitch`\, n.
   [1913 Webster]
   1. A tailor; -- so called in contempt.
      [1913 Webster]

   2. Anything hastily put or stitched together; hence, a hasty
      composition. [R.] --Dryden.
      [1913 Webster]

   3. (Agric.) The act or process of whipstitching.
      [1913 Webster]

   4. A small bit; esp., a small interval of time; an instant; a
      minute. [Dial. or Colloq.]
      [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

Whipstitch \Whip"stitch`\, v. t.
   1. (Agric.) To rafter; to plow in ridges, as land. [Eng.]
      [1913 Webster]

   2. To sew by passing the thread over and over; to overcast;
      whip.
      [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

whipstitch
    n 1: a sewing stitch passing over an edge diagonally [syn:
         whipstitch, whipping, whipstitching]