(n.) A form of stitch, where the stitches are diagonal and in pairs, the thread of one stitch crossing that of the other.

baste bind buttonhole crochet cross-stitch embroider fell flap fly gather imbrication knit lap machine-stitch overcast overhand overlap overlapping overlay overlayer purl quilt renter run saddle-stitch seam single-stitch tack tat whip whipstitch