noun
central organization; central authority
Refers to a body that holds central authority or coordinates activities across a network, such as a headquarters, central committee, or umbrella organization.
このプロジェクトの中央機関は東京にあります。
The central organization for this project is in Tokyo.
各支部は中央機関の指
Each branch operates according to the instructions of the central authority.
noun
central government agency
Specifically a government body at the national level, such as a ministry or agency, as opposed to local government offices.
中央機関からの通達が各都道府県に送られた。
A notice from the central government agency was sent to each prefecture.