grindstone
nounUK /ˈɡɹaɪn(d)ˌstəʊn/ · US /ˈɡɹaɪn(d)ˌstoʊn/
Etymology From Middle English grind-ston, grindistan, (also as grindel-ston), equivalent to grind + stone. Cognate with Scots grindstane.
1
An abrasive wheel for sharpening, polishing, or grinding.
2
Synonym of starry flounder.
- Derived terms
- nose to the grindstone
- Related terms
- daily grind