[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。
语源
late 16th cent.: from Italian dentello or obsolete French dentille, diminutive of dent 'tooth', from Latin dens, dent-