whetstone

/hwet-stohn, wet-/US // ˈʰwɛtˌstoʊn, ˈwɛt- //UK // (ˈwɛtˌstəʊn) //

磨刀石,磨石,硎

Definitions

n.名词 noun

1
- : a stone for sharpening cutlery or tools by friction.
- : anything that sharpens: a whetstone for dull wits.

as inburr

Synonyms

The clever design of this knife sharpening stone allows you to simply flip the whetstone sharpener over to go from rough to fine.
When using a whetstone, you’ll have to flip the blade over to sharpen both sides, but it’ll work perfectly well.
Even the best whetstones aren’t very expensive, but you can opt for a double-sided one for under $25.
There are electric sharpeners, two-stage hand sharpeners, and whetstones.
He approved of Parpon, and never lost a chance of sharpening his humour on the dwarf's impish whetstone of a tongue.
Behind him, each of the natives had laid his stabbing-knife, skinning-knife, and whetstone.
It's colder'n a blue whetstone, so put on all the clothes you've got.
It is a profession which uses the conscience as a whetstone upon which to sharpen the intellect.
His firm and close-grained mind was a sort of whetstone on which my father sharpened his wits at this weekly setting.