| oilstone | (n) a whetstone for use with oil |
| Oilstone | n. A variety of hone slate, or whetstone, used for whetting tools when lubricated with oil. [ 1913 Webster ] |
| オイルストーン | [oirusuto-n] (n) oilstone [Add to Longdo] |
| 油砥石 | [あぶらといし, aburatoishi] (n) oilstone [Add to Longdo] |