- a stone for sharpening cutlery or tools by friction.
- anything that sharpens: a whetstone for dull wits.
Origin of whetstone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for whetstone
What he wants is ten quarts apiece, no matter if it's bluer 'n a whetstone.Tiverton Tales
Which he's the stoodent who stands up the stage over by Whetstone Springs.Faro Nell and Her Friends
Alfred Henry Lewis
Few horses had beaten Whetstone in a race since he became the Duke's property.
Saddle and bridle goes with Whetstone, all a free gift, if you can ride him, Duke.
Whetstone would not approach nearer than ten or twelve feet.
- a stone used for sharpening edged tools, knives, etc
- something that sharpens
Word Origin and History for whetstone
Online Etymology Dictionary, © 2010 Douglas Harper