oilstone (ˈɔɪlˌstəʊn) ![]() | |
| —n | |
| See also whetstone a stone with a fine grain lubricated with oil and used for sharpening cutting tools | |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| the offspring of a zebra and a donkey. |