Whetstone
Origin
From whet ("to sharpen") + stone
Full definition of whetstone
Noun
whetstone
(plural whetstones)- 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.
- 1922, Virginia Woolf, , Vintage Classics, paperback edition, page 88-89It was as if a stone were ground to dust; as if white sparks flew from a livid whetstone, which was his spine; as if the switchback railway, having swooped to the depths, fell, fell, fell.
- (computing) A benchmark for evaluating the power of a computer.