The key of this infernal pit by due . . . I keep.
Milton.
Due, v. t. To endue. [Obs.] Shak.
Due"bill` (?), n. (Com.) A brief written acknowledgment of a debt, not made payable to order, like a promissory note. Burrill.
Due"ful (?), a. Fit; becoming. [Obs.] Spenser.
Du"el (?), n. [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.] 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.