Duel

[doo-uh l, dyoo-] /ˈdu əl, ˈdyu-/

noun
1.
a prearranged combat between two persons, fought with deadly weapons according to an accepted code of procedure, especially to settle a private quarrel.
2.
any contest between two persons or parties.
verb (used with or without object), dueled, dueling or (especially British) duelled, duelling.
3.
to fight in a duel.
/ˈdjuːəl/
noun
1.
a prearranged combat with deadly weapons between two people following a formal procedure in the presence of seconds and traditionally fought until one party was wounded or killed, usually to settle a quarrel involving a point of honour
2.
a contest or conflict between two persons or parties
verb (intransitive) duels, duelling, duelled (US) duels, dueling, dueled
3.
to fight in a duel
4.
to contest closely
n.

1590s (from late 13c. in Latin form), from Medieval Latin duellum “combat between two persons,” by association with Latin duo “two,” but originally from Latin duellum “war,” an Old Latin form of bellum (see bellicose). Retained in poetic and archaic language and apparently given a special meaning in Medieval or Late Latin of “one-on-one combat” on fancied connection with duo “two.”
v.

1640s, see duel (n.). Related: Dueled; dueling; duelling.
programming
A front end to gdb by Michael Golan [email protected]. DUEL implements a language designed for debugging C programs. It features efficient ways to select and display data items. It is normally linked into the gdb executable, but could stand alone. It interprets a subset of C in addition to its own language.
Version 1.10.
(ftp://ftp.cs.princeton.edu/duel/).
(1993-03-20)