headquarters
/ˈhɛdˌk(w)ɔɹ.tɚz/ noun B2- The military installation from which troops are commanded and orders are issued; the military unit consisting of a commander and his support staff.
- The center of an organization's operations or administration.
- A place of concentrated activity or influence.
Plural headquarters
From the library
Lestrade, of Scotland Yard, to look in upon us of an evening, and his visits were welcome to Sherlock Holmes, for they enabled him to keep in touch with all that was going on at the police headquarters.
At three in the morning the chief Sussex detective, obeying the urgent call from Sergeant Wilson of Birlstone, arrived from headquarters in a light dog-cart behind a breathless trotter.
Mortimer has his headquarters.
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