head‧quar‧ters W3 /ˈhedˌkwɔːtəz, ˌhedˈkwɔːtəz $ -ɔːrtərz/ noun (plural headquarters) [countable] (abbreviation HQ)

1. the main building or offices used by a large company or organization:
the headquarters of the United Nations

2. the place from which military operations are controlled

[TahlilGaran] Dictionary of Contemporary English ▲

headquarters
noun
ADJ. international, local, national, regional | permanent | temporary | field | enemy | rebel | administrative, campaign, operational | army, military | police | business, company, corporate, group | party
VERB + HEADQUARTERS have The organization has its headquarters in Brussels.
establish, set up The company has set up its European headquarters in the UK.
open | close They're planning to close their headquarters in Washington.
PREP. at (the) ~ They're very worried about this at headquarters. She works at the company's headquarters.

[TahlilGaran] Collocations Dictionary ▲