Definitions for "Sacrist"
looked after the monastery's treasures, and vestments.
an official in charge of the sacred vessels and vestments
A sacristan; also, a person retained in a cathedral to copy out music for the choir, and take care of the books.
A sacrist usually has charge of the sacred vessels used in worship. Often the job is expanded to ordering much of the furnishings in a cathedral. A sacristy is a room annexed to a cathedral where the sacred vessels are stored.