a whetstone is a form of:

Whetstone



noun
1.
(a shaped stone used for sharpening tools) ថ្មសំលៀងកាំបិត
verb
1.
(TRANSITIVE) សំលៀង, សម្រួច
ENGLISH MEANING
noun
1.
A piece of stone, natural or artificial, used for whetting, or sharpening, edge tools.