Another meaning of the name Reiner is "pure one", from the adjective "rein" (pure) with the masculine ending "-er".From Wagner's opera Parsifal, Act Three, Scene Two: Gesegnet sei, du Reiner, durch das Reine! (Be blessed, O thou pure one, through that which is pure!)
From Wagner's opera Parsifal, Act Three, Scene Two: Gesegnet sei, du Reiner, durch das Reine! (Be blessed, O thou pure one, through that which is pure!)