pontil

/ˈpɑntɪl/
noun
  1. A metal rod used by glassblowers to hold and shape hot glass.
    • The glassblower attached the molten glass to the pontil to shape the vase.
    • He carefully twisted the pontil to create a delicate spiral in the glass.
    • A mark left by the pontil is often visible on the bottom of handmade glassware.
Synonyms
What does "pontil" mean? | whatsthatwordmean | whatsthatwordmean