Definition of "dueler" [du•el•er]

• A person who fights a duel (noun)

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• "His analysis of bluffing as a poker strategy, as well as his research on dueling -- using statistics to determine the most opportune moment for a dueler to shoot -- helped establish him as an expert in game theory."
• "I have a sawback flintlock pistol that replicates a dueler (a Traditions Trapper) in 50 caliber."
• "Alternatively, like a dueler, cut the thoughts off completely, wham-wham, as soon as they occur."