blanket stitch

from WordNet (r) 3.0 (2006)

blanket stitch
    n 1: a strong reinforcing stitch for edges of blanket and other
         thick material; similar to buttonhole stitch

from The Collaborative International Dictionary of English v.0.48

Blanket stitch \Blanket stitch\
   A buttonhole stitch worked wide apart on the edge of
   material, as blankets, too thick to hem.
   [Webster 1913 Suppl.]

[email protected]