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1. A revolving stone disk used for grinding, polishing, or sharpening tools.
2. A millstone.
have/keep (one's) nose to the grindstone
To work hard and steadily.
put (one's) nose to the grindstone
To work in earnest.


1. (Tools)
a. a machine having a circular block of stone or composite abrasive rotated for sharpening tools or grinding metal
b. the stone used in this machine
c. any stone used for sharpening; whetstone
2. (Tools) another name for millstone
3. keep one's nose to the grindstone have one's nose to the grindstone to work hard and perseveringly



1. a rotating solid stone wheel used for sharpening, shaping, etc.
2. a millstone.
keep or put one's nose to the grindstone, to work, study, or practice hard and steadily.


1. A flat circular stone generally about two inches thick and twenty inches in diameter made of naturally occurring sandstone. It could be mounted in a frame and rotated to sharpen bladed tools such as axes and scythes. The sandstone used commercially was carefully chosen to have the right grit and a minimum of hard spots that would cause the stone to wear unevenly.
2. Like the one just described and an axle mounted on a frame and fitted with a handle and/or a foot treadle to rotate the stone.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Grindstone - a revolving stone shaped like a diskgrindstone - a revolving stone shaped like a disk; used to grind or sharpen or polish edge tools
sharpener - any implement that is used to make something (an edge or a point) sharper; "a knife sharpener"
stone - building material consisting of a piece of rock hewn in a definite shape for a special purpose; "he wanted a special stone to mark the site"
حَجَر المِسَن
brusný kotouč
biley taşı


[ˈgraɪndstəʊn] Nmuela f
to keep one's nose to the grindstonebatir el yunque


[ˈgraɪndstəʊn] n
to keep one's nose to the grindstone → travailler sans relâche


n to keep one’s nose to the grindstonehart arbeiten; to keep somebody’s nose to the grindstonejdn hart arbeiten lassen; back to the grindstonewieder in die Tretmühle (hum)


[ˈgraɪndˌstəʊn] n to keep one's nose to the grindstonedarci sotto or dentro


(graind) past tense, past participle ground (graund) verb
1. to crush into powder or small pieces. This machine grinds coffee.
2. to rub together, usually producing an unpleasant noise. He grinds his teeth.
3. to rub into or against something else. He ground his heel into the earth.
boring hard work. Learning vocabulary is a bit of a grind.
ˈgrinder noun
a person or machine that grinds. a coffee-grinder.
ˈgrinding adjective
1. with a sound of grinding. The train came to a grinding stop.
2. severe. grinding poverty.
ˈgrindstone noun
a wheel-shaped stone against which knives are sharpened as it turns.
grind down
to crush. She was ground down by poverty.
grind up
to grind into powder or small pieces. This machine grinds up rocks.
keep (some)one's nose to the grindstone
to (force someone to) work hard, without stopping.
References in classic literature ?
There's a gaudy big grindstone down at the mill, and we'll smouch it, and carve the things on it, and file out the pens and the saw on it, too.
The Boots and the Broker were sharpening a spade-- Each working the grindstone in turn: But the Beaver went on making lace, and displayed No interest in the concern:
Besides sawing wood and turning his lathe and grindstone, Daylight connected the power with the churn; but his great triumph was when he put his arm around Dede's waist and led her out to inspect a washing-machine, run by the Pelton wheel, which really worked and really washed clothes.
That the impact of your army may be like a grindstone dashed against an egg--this is effected by the science of weak points and strong.
I had never seen any such thing in England, or at least, not to take notice how it was done, though since I have observed, it is very common there; besides that, my grindstone was very large and heavy.
Every mile of the way was as familiar to Rebecca as to uncle Jerry; every watering-trough, grindstone, red barn, weather-vane, duck-pond, and sandy brook.
We are kept keen on the grindstone of pain and necessity, and, it seemed to me, that here was that hateful grindstone broken at last!
In the windows at the vacant end of the room stood six or eight, narrow-bladed swords with large protecting guards for the hand, and outside was a man at work sharpening others on a grindstone.
and throwing off other sarcastic sparks from the whirling grindstone of his indignation, Mr.
As you say, we have had dull times since the steel and grindstone eloped and left us.
Down below, the rasping sound of rough salt rubbed on rough flesh sounded like the whirring of a grindstone - a steady undertune to the "click-nick" of the knives in the pen; the wrench and schloop of torn heads, dropped liver, and flying offal; the "caraaah" of Uncle Salters's knife scooping away backbones; and the flap of wet, opened bodies falling into the tub.
But his youthful fire was all composed of sparks from the grindstone; and as the sparks flew off, went out, and never warmed anything, be sure that Fledgeby had his tools at the grindstone, and turned it with a wary eye.