the military installation from which a commander performs the functions of command; "the general's headquarters were a couple of large tents"指揮官が司令を出す軍事施設軍司令部
例:The general's headquarters were a couple of large tents. 総司令部は幾つかの大きいテントだった。
(usually plural) the office that serves as the administrative center of an enterprise; "many companies have their headquarters in New York"事業の管理経営の中心として動くオフィス本部
例:many companies have their headquarters in New York 多くの会社はニューヨークに本社がある
(plural) a military unit consisting of a commander and the headquarters staff司令官と司令部員から成る軍事部隊本部