sacristanEnglishOxford New American Dictionarysacristan /ˈsakrəstən, ˈsækrəstən / ▸ noun 1 a person in charge of a sacristy and its contents. 2 archaic the sexton of a parish church. – ORIGIN Middle English : from medieval Latin sacristanus, based on Latin sacer, sacr- ‘sacred’.