English dictionary
grindstone
/'gr/aI/nd,st/oU/n/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
-
a revolving stone shaped like a disk; used to grind or sharpen or polish edge tools
Source: WordNet 3.0
-
A flat, circular stone, revolving on an axle, for grinding or sharpening tools, or shaping or smoothing objects.
Source: webster1913