headquarters, central office, main office, home office, home base -- ((usually plural) the office that serves as the administrative center of an enterprise; "many companies have their headquarters in New York")
headquarters, HQ, military headquarters -- (the military installation from which a commander performs the functions of command; "the general's headquarters were a couple of large tents")
headquarters -- ((plural) a military unit consisting of a commander and the headquarters staff)
Overview of verb headquarter
The verb headquarter has 1 sense
headquarter -- (provide with headquarters; "the compnay is headquartered in New Jersey")