duelling

from The Collaborative International Dictionary of English v.0.48
Dueling \Du"el*ing\, n.
   The act or practice of fighting in single combat. Also adj.
   [Written also {duelling}.]
   [1913 Webster]
    
from Bouvier's Law Dictionary, Revised 6th Ed (1856)
DUELLING, crim. law. The fighting of two persons, one against the other, at 
an appointed time and place, upon a precedent quarrel. It differs from an 
array in this, that the latter occurs on a sudden quarrel, while the former 
is always the result of design. 
     2. When one of the parties is killed, the survivor is guilty of murder. 
1 Russ. on Cr. 443; 1 Yerger's R. 228. Fighting a duel, even where there is 
no fatal result, is, of itself, a misdemeanor. Vide 2 Com. Dig. 252; 
Roscoe's Cr. Ev. 610; 2 Chit. Cr. Law, 728; Id. 848; Com. Dig. Battel, B; 3 
Inst. 157; 6 East, 464 Hawk. B. 1, c. 31, s. 21; 3 East, R. 581 3 Bulst. 171 
4 Bl. Com. 199 Prin. Pen. Law, c. 19, p 245; Const. R. 107; 1 Stew. R. 506; 
20 John. 457; 3 Cowen, 686. For cases of mutual combat, upon a sudden 
quarrel, Vide 1 Russ. on Cr. 495. 
    

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