(heraldry) The upper left corner of the shield (from the viewer's perspective).

(military) The senior officer of any of several services of the armed forces of several nations. / (government, politics) The head of any of several political departments in several nations.

plural of dexter chief

(Canada, Navy) A warrant officer belonging to one of the two classes of chief petty officer: chief petty officer first class and chief petty officer second class.

plural of chief petty officer

(business) The executive who is in charge of financial affairs, notably as head of a financial department, typically directly under the chief executive officer and/or the board who lead the corporation or other organisation as a whole

plural of air chief marshal

plural of chief legal officer

An executive who is in charge of the technical affairs of a business, notably as head of the information technology department, typically directly under the chief executive officer and/or the board.

(humorous) An important leader or boss; a senior person in charge.