DUEL, noun [Latin] 1. Single combat; a premeditated combat between two persons, for the purpose of deciding some private difference or quarrel. A sudden fight, not premeditated, is called a rencounter. A duel is fought with deadly weapons and with a purpose to take life. 2. Any contention or contest. DUEL, verb intransitive To fight in single combat. DUEL, verb transitive To attack or fight singly.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI