dentil
/ˈdentɪl/noun
often as modifier
- (in classical architecture) one of a number of small rectangular blocks resembling teeth, used as a decoration under the moulding of a cornice（古典建筑用语）齿饰：
a dentil frieze.
齿饰雕带。
词源
late 16th cent.: from Italian dentello or obsolete French dentille, diminutive of dent 'tooth'， from Latin dens, dent-.