A sharpening stone.
Water is the lubricating agent when sharpening knives or chisels.
Probably should have been a wet stone but whet is the way it is always spelled.
If oil is the lubricating agent then it is an oil stone.
A whetstone.
My whetstone uses water, not oil. A diamond whetstone needs no lubrication.
Whetstone Chocolates was created in 1967.
The Whetstone of Witte was created in 1557.
William Whetstone died in 1711.
Paul Whetstone is 6' 2".
Sharon Whetstone is 5' 3".
Whetstone railway station ended in 1963.
Whetstone railway station was created in 1899.
Diane McKinney-Whetstone was born in 1953.
Sharpen, as when sharpening a knife with a whetstone, and intensify, like when something 'whets' your appetite.
W. E. Whetstone died on 1987-02-28.