Chief (noun)

1. A person in a high position of power and control, especially one in charge of an organization, company, or department.
2. A leader or head of a particular group, tribe, or society.
3. A main ingredient or component.
4. A decorative design or emblem at the top of an architectural structure.

Origin:

Middle english chefe, from old english cēaf, from latin caput, meaning 'head.'.

Examples:

1. The chief of police will be giving a speech at the annual officers' banquet.
2. The local tribe has a new chief who is determined to improve their living conditions.
3. Garlic is considered a chief ingredient in many Mediterranean dishes.
4. The chief of a cathedral often displays intricate carvings and sculptures.
5. The chief of a fireplace mantelpiece can be beautifully decorated to complement the room.