'Duelist' definitions:

Definition of 'duelist'

From: WordNet
noun
A person who fights duels [syn: dueler, dueller, duelist, duellist]

Definition of 'Duelist'

From: GCIDE
  • Duelist \Du"el*ist\, n. [F. duelliste.] One who fights in single combat. [Written also duellist.] [1913 Webster]
  • A duelist . . . always values himself upon his courage, his sense of honor, his fidelity and friendship. --Hume. [1913 Webster]