deraign

1. (law, transitive) To prove or refute, especially through combat.obsoletetransitive

2. (ambitransitive) To engage in battle or combat.Examples: "Therewith they gan to hurtlen greedily, / Redoubted battaile ready to darrayne, / And clash their shields, and shake their swords on hy [...]."ambitransitiveobsolete

3. (transitive) To determine or decide by combat; to fight out.Examples: "Now everything I had or sought, I've lost; / Upon a glimpse, I am disparadised. / So: go defiant to the nether world, / And darreign^([sic]) Lucifer's dread minions to / Worse torment than thou wouldst do thyself."obsoletetransitive

4. (transitive) To ready or prepare for combat.obsoletetransitive