open·work 
/ˈoʊpɚnˌwɚk/ noun
/ˈoʊpɚnˌwɚk/ noun [noncount] : decoration that consists of designs made with openings or holes
▪ a potter who decorates her vases with openwork
▪ a potter who decorates her vases with openwork
— openwork adjective always used before a noun
▪ openwork carvings/patterns ▪ openwork fabrics such as lace
▪ openwork carvings/patterns ▪ openwork fabrics such as lace
