Longman Dictionary of Contemporary English homepage

Date: 1800-1900
Origin: sawbuck 'sawhorse' (19-20 centuries), from Dutch zaagbok; probably because the end of some types of sawhorse looks like a Roman number X (= 10)

sawbuck

noun
     
Related topics: Currencies
saw‧buck [countable] American English old-fashioned informal
PEC a piece of paper money worth $10

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