hem·stitch 
(hĕmstĭch′)
(hĕmstĭch′)n.
1. A decorative stitch usually bordering a hem, as on a handkerchief, made by drawing out several parallel threads and catching together the cross threads in uniform groups.
2. Needlework in which this stitch is used.
tr.v. hem·stitched, hem·stitch·ing, hem·stitch·es
To ornament or embroider with hemstitches.
hemstitch′er n.
hemstitch