burnishingrod
nounUK /ˈbɜːnɪʃɪŋ rɒd/
US /ˈbɜːrnɪʃɪŋ rɑːd/
A smooth tool used to rub metal or stone until it shines.
The jeweler used a burnishing rod to make the silver ring gleam.
OTHER MEANINGS
2. A rod-shaped tool used in bookbinding to press and smooth the spine of a book.
The bookbinder ran the burnishing rod along the spine to flatten it.
3. A hard steel rod used to smooth the inside of a drilled hole in machining.
He passed the burnishing rod through the bore to improve its finish.
4. A tool used in pottery to rub the surface of clay until it is glossy.
She used a burnishing rod to give the vase a shiny finish before firing.