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Darraign \Dar"raign\, Darrain \Dar"rain\,, v. t. [OF. deraisnier
to explain, defend, to maintain in legal action by proof and
reasonings, LL. derationare; de- + rationare to discourse,
contend in law, fr. L. ratio reason, in LL., legal cause. Cf.
{Arraign}, and see {Reason}.]
1. To make ready to fight; to array. [Obs.]

Darrain your battle, for they are at hand. --Shak.

2. To fight out; to contest; to decide by combat. [Obs.] ``To
darrain the battle.'' --Chaucer .