Definition of 西の丸 (にしのまる)
にしまる
                        西の丸
にしのまる
nishinomaru
noun
•
        
western citadel, west wing of the Edo castle (where the heir apparent or retired shogun would live)
See also:江戸城
Related Kanji
| 西 | west, Spain | 
| 丸 | round, full (month), perfection, -ship, pills, make round, roll up, curl up, seduce, explain away |