abrader
n. C1 Advanced abrad·er
n. a tool or substance that wears away a surface by rubbing. You use it to smooth or remove material from something.
n. an agent or instrument that removes material from a surface through friction or rubbing. Often used in medical contexts to describe surgical tools or in archaeology to describe natural processes of erosion.
The surgeon used a small abrader to smooth the bone.
Archaeologists identified the site as an ancient abrader, noting the layers of stone worn down by centuries of wind.
The surgical abrader was designed with a fine-grit surface to ensure the bone was prepared for the implant without causing unnecessary trauma to the surrounding tissue.