# chief of staff

> English word · Noun

## Definitions
1. The senior officer of any of several services of the armed forces of several nations.
2. The head of any of several political departments in several nations.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/chief-of-staff