Definitions

1. noun

A Roman magistrate or officer responsible for the safety or well-being of a particular person, especially a foreign ambassador.

“The custos was tasked with ensuring the diplomat’s safety during his visit.”

2. noun

A guardian or protector, especially of a person’s spiritual or moral well-being.

“The priest served as the custos of the community’s spiritual health.”

3. noun

A custodian or caretaker of a place or institution.

“The custos of the museum was responsible for maintaining its collection.”