corridor

1. Origins, structure, and basic meaning

• Structure: 廊 has 12 strokes and the on-reading ろう. 廊下 (ろうか) and 回廊 (かいろう) refer to passageways in or between buildings.
• Basic usage: 廊下 means a corridor or hallway; 回廊 refers to a covered connecting walkway or cloister.

2. Common pitfalls and similar expressions

• Spaces described by 廊下 and 回廊
  • 長い廊下の突き当たり refers to the far end of a long corridor. The example uses it to locate a meeting room.
  • 中庭を囲む回廊 describes a walkway surrounding a courtyard. The example 雨の日でも回廊を通れば shows that the walkway provides a route even in rain.