† purprestorObs.Law. [a. AF.purprestour one who encroaches, f.purpresture(see next), with agent-suffix -our, -or.] (See quot. 1865.) [1292Britton i. xix. §6 Et ceux qi serrount presentez deforceours et purprestours.]1865Nichols Britton II. 379 Purprestour, a purprestor, one who usurps or encroaches.