Definition of grindstone in English:

grindstone

Syllabification: grind·stone
Pronunciation: /ˈgrīndˌstōn
 
/

noun

  • 1A thick disk of stone or other abrasive material mounted so as to revolve, used for grinding, sharpening, or polishing metal objects.
    More example sentences
    • This can be done by rubbing away surplus metal with a grindstone, whetstone, oilstone, steel, ceramic rod, leather strop or the palm of your hand.
    • He is seen sharpening a weapon on an old-fashioned grindstone.
    • We also took turns at turning the crank of the grindstone when scythes needed to be sharpened.
  • 1.1 rare another term for millstone.
    More example sentences
    • The grinding of the grain was done with a grindstone called a Rotary Quern, or a Hand Quern (a small stone on top of a larger stone with the grain in between) if you were poorer.
    • His master, Monsieur Vanderdendur, cut off his hand when his finger got caught in the grindstone in a sugar mill.
    • I looked in at the mill, saw the wear on the grindstone, awoke the morning next and - strangely - ordered that another be cut from my quarries up north.

Phrases

keep one's nose to the grindstone

Work hard and continuously.
More example sentences
  • He has kept his nose to the grindstone and will be pointing to investment and projects in the area as part of the benefits of having a local councillors.
  • She kept her nose to the grindstone, her feet on the ground and her hands to herself.
  • ‘It's about time you took a holiday,’ she smiled as she poured tea, ‘You really have been keeping your nose to the grindstone lately.’

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Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody