oilstone noun & verb.
['ɔɪlstǝʊn] L16.[from OIL noun + STONE noun.]A. noun. A smooth, fine-grained stone lubricated with oil for sharpening tools; a whetstone.
L16.b. verb trans. Sharpen on an oilstone.
rare.
L19. [TahlilGaran] English Dictionary ▲