punty

pun.ty

n.（名词）
【复数】 pun.ties
An iron rod on which molten glass is handled when being shaped and worked.Also called pontil
顶底杆：用于粘住已熔融的玻璃以进行定型和加工的铁棒也作 pontil

来源：
Probably from French pontil * see punt 4
可能源自 法语 pontil *参见 punt4