also: だいかく
noun
tall building; cabinet (government)
Literary or formal term. Can refer to a lofty building or, more commonly, to the cabinet of a government. The 'cabinet' sense is often used in political contexts.
首相は台閣の改造を発表した。
The prime minister announced a cabinet reshuffle.
その台閣は街のシンボルとしてそびえ立っている。
That tall building stands as a symbol of the city.
Composed of 台 (platform, high) and 閣 (tower, palace). Originally referred to a tall, multi-storied building, later extended metaphorically to the government cabinet.