01 n. pl. The quarters or place of residence of any chief officer, as the general in command of an army, or the head of a police force; the place fro…
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1.
The quarters or place of residence of any chief officer, as the general in command of an army, or the head of a police force; the place from which orders or instructions are issued; hence, the center of authority or order.“The brain, which is the headquarters, or office, of intelligence.” — Collier.
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2.
The main office from which an organization such as a commercial enterprise is managed; -- usually where the chief executive officer works.