D defs.my
Entry 2 senses Webster, 1913

Openwork

/ōp'-ən-wẽrkˌ/ · O·pen·work · IPA /ˈoʊpənwɝk/
01 n. Anything so constructed or manufactured (in needlework, carpentry, metal work, etc.) as to show openings through its substance; work that i…
  1. 1.
    Anything so constructed or manufactured (in needlework, carpentry, metal work, etc.) as to show openings through its substance; work that is perforated or pierced.
  2. 2.
    A quarry; an open cut.(Mining)