engrail

基本解释

• v. 用锯齿形（或凸圆点）装饰边缘；使成锯齿状；使……成波纹

英英字典

柯林斯英英字典

• to decorate or mark (the edge of) (a coin) with small carved notches

• engrail剑桥字典
• engrail柯林斯字典