• The offices of a commander, as of a military unit, from which orders are issued.
  • A center of operations or administration.
  • The quarters or place of residence, permanent or temporary, of the commander-in-chief of an army.
  • The residence of any military chief, or the place from which his orders are issued.
  • Hence The place where one chiefly resides or carries on business.
  • 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 main office from which an organization such as a commercial enterprise is managed; -- usually where the chief executive officer works.
  • The <xref>military</xref> <xref>installation</xref> from which <xref>troops</xref> are <xref>commanded</xref> and <xref>orders</xref> are <xref>issued</xref>; the military <xref>unit</xref> consisting of a <xref>commander</xref> and his <xref>support</xref> <xref>staff</xref>.
  • The <xref>center</xref> of an <xref>organization</xref>'s <xref>operations</xref> or <xref>administration</xref>.
  • A place of <xref>concentrated</xref> <xref>activity</xref> or <xref>influence</xref>.
  • (plural) a military unit consisting of a commander and the headquarters staff
  • the military installation from which a commander performs the functions of command
  • (usually plural) the office that serves as the administrative center of an enterprise
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