† aˈrrousementObs.rare—1. In 5 aro-. [a. OF.arousement, arosement (mod.arr-), f.arouser: see prec. and -ment.] Sprinkling, bedewment, watering. 1483Caxton Gold. Leg. 34/2 Thyse arousemens or spryngyng of blood were made with the spryncle of humylyte.