burnisher
nounUK /ˈbɜːnɪʃə/
US /ˈbɜːrnɪʃər/
A burnisher is a tool that makes something smooth and shiny by rubbing it.
The jeweler used a burnisher to polish the silver ring.
OTHER MEANINGS
2. A person whose job is to polish or finish metal, stone, or other materials.
The burnisher worked carefully to give the brass a mirror finish.
3. A tool with a hard, rounded tip used in printmaking to rub the back of paper so ink transfers evenly.
She pressed the paper onto the plate and rubbed it with a burnisher.
4. A smooth stone or steel tool used in bookbinding to press and polish the edges of a book.
The bookbinder ran the burnisher along the gilded edge.