Goods belonging to the Church or to a church, especially vessels and utensils of precious metal; church furniture, ornaments, vestments, etc., collectively.
Origin
Early 16th century. From church + stuff.
Definition of church stuff in US English:
church stuff
nounˈtʃəːtʃ stʌf
Goods belonging to the Church or to a church, especially vessels and utensils of precious metal; church furniture, ornaments, vestments, etc., collectively.