Whetstone
Pronunciation: /ˈwɛtˌstoʊn/
Whetstone (noun)
- A flat stone used to make knives or tools sharp.
- Something that improves skills or abilities through practice.
Examples
- He used a whetstone to sharpen the knife.
- A whetstone is essential for keeping blades sharp.
Common collocations: use a whetstone, sharpen with a whetstone, whetstone sharpening, whetstone for the mind, act as a whetstone