Definition of whetstones:
(n) :
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.
(v) :
(transitive) To sharpen with a whetstone.
(n) :
(figurative) A stimulant.
(n) :
(computing) A synthetic benchmark for evaluating the power and performance of a computer, primarily based on floating-point arithmetic.
(n) :
(computing) A single instruction of the Whetstone benchmark, often expressed as a value per second.
(n) :
An area of the borough of Barnet, Greater London, England (OS grid ref TQ2693).