空花繡
Cutwork \Cut"work`\ (k[u^]t"w[^u]rk`), n. (Fine Arts) An ancient term for embroidery, esp. applied to the earliest form of lace, or to that early embroidery on linen and the like, from which the manufacture of lace was developed.
cutwork n : embroidery in which the design is outlined in a buttonhole stitch and the intervening material is cut away