a block of fine-grained stone, usually oiled, for putting the final edge on certain cutting tools by abrasion.

Origin of oilstone

First recorded in 1575–85; oil + stone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for oilstone

Historical Examples of oilstone

  • Jed whistled a few mournful bars and sharpened a chisel on an oilstone.


    Joseph C. Lincoln

  • The handle of the tool should be grasped in the left hand, while its blade rests on a block of wood, or on the oilstone.


    George Jack

  • Synonyms are honestone, whetstone, oilstone and sharpening stone.

  • This mistake is sometimes made in using the oilstone, by rubbing the tool on both sides instead of on one only.

    Carpentry and Woodwork

    Edwin W. Foster

  • The face of the regulator is now placed on the ground glass after smearing it with oil and oilstone dust.

British Dictionary definitions for oilstone



a stone with a fine grain lubricated with oil and used for sharpening cutting toolsSee also whetstone
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