noun

1. The chief executive officer of a first-level division of a country.

2. A device which regulates or controls some action of a machine through automatic feedback.

3. A member of a decision-making for an organization or entity (including some public agencies) similar to or equivalent to a board of directors (used especially for banks); a member of the board of governors.

Synonyms: bailiff, circuit intendant, daotai, gubernator, intendant, proconsul, provost, seneschal