Duel

n. formal combat between two persons

v. fight a duel, engage in formal combat with another person

As practiced from the 15th to 20th centuries in Western societies, a duel was a consensual fight between two people, with matched deadly weapons, in accordance with rules explicitly or implicitly agreed upon, over a point of honor, usually accompanied by a trusted representative (who might themselves fight), often in contravention of the law.
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Noun
1. a prearranged fight with deadly weapons by two people (accompanied by seconds) in order to settle a quarrel over a point of honor
(synonym) affaire d'honneur
(hypernym) fight, fighting, combat, scrap
2. any struggle between two skillful opponents (individuals or groups)
(hypernym) struggle, battle
Verb
1. fight a duel, as over one's honor or a woman; "In the 19th century, men often dueled over small matters"
(hypernym) fight, struggle
(derivation) dueler, dueller, duelist, duellist

university diploma of literary studies

n. duel, formal combat between two persons

n. duel, rencounter, battle, fight; contest, competition (Sports)