tracery
/ˈtreɪsərɪ/noun
(pl. -ies)［mass noun］
1- Architecture ornamental stone openwork, typically in the upper part of a Gothic window【建筑】（尤指哥特式窗上部的）窗花格, 装饰性石透雕细工。
1.1
- count noun a delicate branching pattern分枝线条饰：
a tracery of red veins.
红色纹理的分枝线条饰。
派生词