Home › Words › T › topstitchtopstitchtopstitch · noun — A sewing technique, most often used on garment edges such as necklines and hems, where it helps facings to stay in place and gives a crisp edge.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom top + stitch.nounA sewing technique, most often used on garment edges such as necklines and hems, where it helps facings to stay in place and gives a crisp edge.An individual stitch of this kind.verbTo stitch in this fashion.Definitions & examples from Wiktionary (CC BY-SA 3.0).