- a stone with a fine grain lubricated with oil and used for sharpening cutting tools
See also whetstone
WordReference Random House Unabridged Dictionary of American English © 2026
oil•stone
(oil′stōn′),USA pronunciation n.
- Buildinga block of fine-grained stone, usually oiled, for putting the final edge on certain cutting tools by abrasion.
- oil + stone 1575–85
Collins Concise English Dictionary © HarperCollins Publishers::
oilstone /ˈɔɪlˌstəʊn/ n
'oilstone' also found in these entries (note: many are not synonyms or translations):