控え室

1. Origins, structure, and basic meaning

• Structure: 控え室(ひかえしつ) is a room for waiting and preparing before one's turn or main activity.
• Basic usage: It can be where a performer warms up before a show or an applicant waits for an interview.

2. Common pitfalls and similar expressions

• Contexts compared with 待合室
  • 待合室 often names a waiting area at a hospital or station, while 控え室 focuses on waiting and preparing before an appearance, interview, or similar activity.
• English wording by context
  • A performer's 控え室 can be a green room; the space before an interview can be a waiting room.