Definitions

1. noun

A position of trust or authority, especially a public office or position.

“The mayor used her officio to make an announcement about the new policy.”

2. noun

A person in a position of authority, especially a public office or position.

“She worked in an officio that oversaw the entire department.”

3. adverb

As a matter of office or in an official capacity.

“The decision was made officio by the council members.”