English to English
1. (usually plural) the office that serves as the administrative center of an enterprise
many companies have their headquarters in New York
2. the military installation from which a commander performs the functions of command
the general's headquarters were a couple of large tents
3. (plural) a military unit consisting of a commander and the headquarters staff
4. 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.