revolving door   (TTS Sound)

The revolving_door has 2 Senses.

• revolving door
• an organization or institution with a high rate of turnover of personnel or membership
• 人員やメンバーの配置転換が高い率の機関や団体

• revolving door, revolver
• a door consisting of four orthogonal partitions that rotate about a central pivot; a door designed to equalize the air pressure in tall buildings
• 中心軸の周りを回転する4つの直交した隔壁で成り立つドア