noun. ['ˈhɛdˌkwɔrtɝz, ˈhɛdˌkɔrtɝz'] (usually plural) the office that serves as the administrative center of an enterprise.
noun. ['ˈhɛdˌkwɔrtɝz, ˈhɛdˌkɔrtɝz'] the military installation from which a commander performs the functions of command.