ETYM Latin dualis, from duo two. Related to Two.
(Homonym: duel).
A grammatical number category referring to two items or units (as opposed to one item (singular) or more than one item (plural)).

ETYM Latin duplicatus, p. p. of duplicare to double, from duplex double, twofold. Related to Duplex.
1. Being two identical; SYN. matching, twin, twinned.
2. Identically copied from an original.

ETYM Italian duello, from Latin duellum, orig., a contest between two, which passed into the common form bellum war, from duo two: cf. French duel. Related to Bellicose, Two, Duello.
(Homonym: dual).
1. A prearranged fight with deadly weapons by two people (accompanied by seconds) in order to settle a quarrel over a point of honor; SYN. affaire d'honneur.
2. Any struggle between two skillful opponents (individuals or groups).
Fight between two people armed with weapons. A duel is usually fought according to pre-arranged rules with the aim of settling a private quarrel.
In medieval Europe duels were a legal method of settling disputes. By the 16th century the practice had largely ceased but duelling with swords or pistols, often with elaborate ritual, continued unofficially in aristocratic and military circles until the 20th century. In some German universities exclusive duelling clubs continue to this day. + prikaži više