Definition of 'headquarters'
- (usually plural) the office that serves as the administrative center of an enterprise; "many companies have their headquarters in New York"
Synonyms: central office main office home office home base
- the military installation from which a commander performs the functions of command; "the general's headquarters were a couple of large tents"
Synonyms: HQ military headquarters
- (plural) a military unit consisting of a commander and the headquarters staff