Definitions for sacristyˈsæk rɪ sti
Random House Webster's College Dictionary
sac•ris•tyˈsæk rɪ sti(n.)(pl.)-ties.
a room in a church in which sacred vessels, vestments, etc., are kept.
Origin of sacristy:
1400–50; late ME < ML sacristia vestry =sacrist(a) (see sacristan ) +-ia -y3
a room in a church where sacred vessels and vestments are kept or meetings are held
A room in a church where sacred vessels, books, vestments, etc. are kept. Sometimes also used by clergy to prepare for worship or for meetings.
Origin: From sacristia
an apartment in a church where the sacred utensils, vestments, etc., are kept; a vestry