a room in a church, usually adjoining the sanctuary, where the sacred vessels, vestments, etc. are kept; vestry
Origin of sacristyFrench sacristie from Ecclesiastical Medieval Latin sacristia from sacrista, sacristan from Classical Latin sacer, sacred
A room in a church housing the sacred vessels and vestments; a vestry.
Origin of sacristyMiddle English sacristie from Anglo-Norman from Medieval Latin sacristia from sacrista sacristan ; see sacristan .
From Latin sacristia