Definition of "oilstone" [oil•stone]

• A fine-grained whetstone lubricated with oil, used for fine sharpening. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "‘Sol Chickerel?’ said the man addressed, as he touched his plane-iron upon the oilstone."
• "The reciprocating movement of the tool on the oilstone or vice versa is continued until the burr is removed and the cutting edge has a bright appearance."
• "The burr produced is removed by alternately stoning the two bevels of the cutting edge with circulating movements of a wetted oilstone."