Definitions

1. noun

A person who carries the sacred vessels and other objects used in a liturgical service, especially in the Roman Catholic Church.

“The priest designated the ostiary to carry the processional cross and candles during the ceremony.”

2. noun

A person or thing that acts as a gateway or entrance to something, especially to a place of worship.

“The old church served as an ostiary for the community, welcoming them into the sacred space.”