'Blanket stitch' definitions:

Definition of 'blanket stitch'

From: WordNet
noun
A strong reinforcing stitch for edges of blanket and other thick material; similar to buttonhole stitch

Definition of 'Blanket stitch'

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