Arquebusade \Ar`que*bus*ade"\, n. [F. arquebusade shot of an arquebus; eau d'arquebusade a vulnerary for gunshot wounds.] 1. The shot of an arquebus. --Ash. 2. A distilled water from a variety of aromatic plants, as rosemary, millefoil, etc.; -- originally used as a vulnerary in gunshot wounds. --Parr.