"duel" in the noun sense
1. duel, affaire d'honneur
a prearranged fight with deadly weapons by two people (accompanied by seconds) in order to settle a quarrel over a point of honor
any struggle between two skillful opponents (individuals or groups)
"duel" in the verb sense
fight a duel, as over one's honor or a woman
"In the 19th century, men often dueled over small matters"
Source: WordNet® (An amazing lexical database of English)
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