n. a ten-dollar bill. (From the time when the 10 was indicated by the Roman numeral X (10), which looks like the crosspiece that supports wood that is being sawed.) : It cost me a sawbuck to have my car pulled out of the mud.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw-Hill Education.
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