enclosure

1. Origins, structure, and basic meaning

• Structure: The on reading is かく, and the kun reading is くるわ. It has 11 strokes and relates to an outer contour or a structure enclosing a castle.
• Basic usage: 輪郭 is read りんかく, and 城郭 is read じょうかく.

2. Common pitfalls and similar expressions

• 輪郭 / 城郭
  • 輪郭 means outline or contour and is read りんかく. It refers to the outer outline or contour of a mountain or face.
  • 夕日を背に山の輪郭が黒く浮かんだ。 means “The mountain's outline appeared black against the sunset.”
  • 城郭 means fortification or castle and is read じょうかく. It refers to fortifications or the enclosure surrounding a castle.
  • 城郭を囲む堀には水が満ちていた。 means “The moat surrounding the fortification was full of water.”