WHETSTONE
whetstone
(noun) a flat stone for sharpening edged tools or knives
Source: WordNet® 3.1
Etymology
Noun
whetstone (plural whetstones)
A sharpening stone; a hard stone or piece of synthetically bonded hard minerals that has been formed with at least one flat surface, used to sharpen or hone an edged tool.
(computing) A benchmark for evaluating the power and performance of a computer.
(figurative) A stimulant.
Proper noun
Whetstone
An area in Barnet borough, Greater London, England (OS grid ref TQ2693).
A large village and civil parish in Blaby district, Leicestershire, England (OS grid ref SP5597).
A census-designated place in Cochise County, Arizona, United States.
An unincorporated community in Clay County, West Virginia, United States.
A surname.
Source: Wiktionary
Whet"stone`, n. Etym: [AS. hwetstan.]
Definition: A piece of stone, natural or artificial, used for whetting, or
sharpening, edge tools.
The dullness of the fools is the whetstone of the wits. Shak.
Diligence is to the understanding as the whetstone to the razor.
South.
Note: Some whetstones are used dry, others are moistened with water,
or lubricated with oil. To give the whetstone, to give a premium for
extravagance in falsehood. [Obs.]
Source: Webster’s Unabridged Dictionary 1913 Edition