Meaning of “grindstone” in the English Dictionary


(Definition of “grindstone” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"grindstone" in American English

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us /ˈɡrɑɪnˌstoʊn/

a large, round stone that is turned by a machine and is used for making tools sharper

(Definition of “grindstone” from the Cambridge Academic Content Dictionary © Cambridge University Press)