DUELLED
DUEL
duel
(verb) fight a duel, as over one’s honor or a woman; “In the 19th century, men often dueled over small matters”
Source: WordNet® 3.1
Verb
duelled
simple past tense and past participle of duel
Source: Wiktionary
DUEL
Du"el, n. Etym: [It. duello, fr. L. duellum, orig., a contest between
two, which passed into the common form bellum war, fr. duo two: cf.
F. duel. See Bellicose, Two, and cf. Duello.]
Definition: A combat between two persons, fought with deadly weapons, by
agreement. It usually arises from an injury done or an affront given
by one to the other. Trial by duel (Old Law), a combat between two
persons for proving a cause; trial by battel.
Du"el, v. i. & t.
Definition: To fight in single combat. [Obs.]
Source: Webster’s Unabridged Dictionary 1913 Edition