D defs.my
Entry 1 sense Webster, 1913

Duelist

/do͞o'-əl-ĭst/ · Du·el·ist · IPA /dˈuːəlɪst/
01 n. One who fights in single combat.
  1. 1.
    One who fights in single combat.
    “A duelist . . . always values himself upon his courage, his sense of honor, his fidelity and friendship.” Hume.