openwork

Ornamental or structural work, as of embroidery or metal, having many openings, usually in set patterns.

Any work, especially ornamental work, so made or manufactured as to show openings through its substance; specifically, fancy work done with thread of different kinds, such as knitting, netting, lace, and many kinds of embroidery; decoration of the simplest sort made with small openings set in regular patterns.

In fortification, a work or fortification which is not protected at the gorge by a parapet or otherwise.

In mining, a place where mining or quarrying is done open to the air, or uncovered by rock or earth. Also called open working and open-cast.

Anything so constructed or manufactured (in needlework, carpentry, metal work, etc.) as to show openings through its substance; work that is perforated or pierced.

A quarry; an open cut.

Any of several forms of metalwork or needlework having decorative openings

A quarry; an open cut.

ornamental work (such as embroidery or latticework) having a pattern of openings