blanket stitch noun 2blanket-stitch verb 1forms 4 noun2 •A strong stitch, similar to a buttonhole stitch, used to finish and reinforce the edges of blankets etc. •A similar, more decorative stitch. blanket-stitch verb1 •To sew (something) using a blanket stitch formsblanket-stitched · blanket-stitching · blanket-stitches · blanket stitches