天てん守しゅ閣かく

noun

castle tower; keep; donjon

Specifically refers to the central, multi-storied tower of a Japanese castle, often used as a symbol of the castle.

• 姫ひめ路じ城じょうの天てん守しゅ閣かくは国こく宝ほうに指し定ていされている。

  The castle tower of Himeji Castle is designated a national treasure.