grindstone

[ grahynd-stohn ]
/ ˈgraɪndˌstoʊn /

noun

a rotating solid stone wheel used for sharpening, shaping, etc.
a millstone.

Idioms

    keep/put one's nose to the grindstone, to work, study, or practice hard and steadily or to cause someone to do so: If I put my nose to the grindstone, I'll finish the job this week.

Origin of grindstone

1175–1225; Middle English. See grind, stone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for keep one's nose to the grindstone

grindstone

/ (ˈɡraɪndˌstəʊn) /

noun

  1. a machine having a circular block of stone or composite abrasive rotated for sharpening tools or grinding metal
  2. the stone used in this machine
  3. any stone used for sharpening; whetstone
another name for millstone
keep one's nose to the grindstone or have one's nose to the grindstone to work hard and perseveringly
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for keep one's nose to the grindstone

grindstone


n.
Online Etymology Dictionary, © 2010 Douglas Harper

Idioms and Phrases with keep one's nose to the grindstone (1 of 2)

keep one's nose to the grindstone


see nose to the grindstone.

Idioms and Phrases with keep one's nose to the grindstone (2 of 2)

grindstone


see nose to the grindstone.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.