molding

(C)[常~s][建筑](装饰墙壁等凸出部用)嵌线

A narrow border, molding, or fillet.

扁带饰窄条，装饰用嵌线或窄带

The sharp edge or ridge formed by two surfaces meeting at an angle, as in a molding.

尖脊两个平面以某种角度相接所形成的尖突的边或脊形，如铸模中的