Black's Law Dictionary (2nd edition)dictionaries

Shewer

In the practice of the Engllsh hlgh court, when a vlew by a Jury is ordered, persons are named by the court to show the property to be vlewed, and are hence called “shewers.” There is usually a shewer on behalf of each party. Archb. Pr. 339, et seq

Source: Black’s Law Dictionary 2nd Ed (1910)