The Collaborative International Dictionary of English v.0.48:

Droitural \Droi"tu*ral\, a. (O. Eng. Law)
   relating to the mere right of property, as distinguished from
   the right of possession; as, droitural actions. [Obs.]
   --Burrill.
   [1913 Webster]

Bouvier's Law Dictionary, Revised 6th Ed (1856):

DROITURAL. What belongs of right; relating to right; as, real actions are
either droitural or possessory; droitural, when the plaintiff seeks to
recover the property. Finch's Law, 257.