Dar"raign, 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.]
To make ready to fight; to array.
Darrain your battle, for they are at hand.
To fight out; to contest; to decide by combat.
[Obs.] "To darrain the battle."
© Webster 1913.