The Open Dictionary

revolving door

noun

UK/rɪˌvɒl.vɪŋ ˈdɔːʳ/
US/rɪˌvɑːl.vɪŋ ˈdɔːr/

Definitions of revolving door noun

  1. Countable

    A type of door system consisting of several panels that rotate around a central axis, allowing people to enter and exit a building.

    • The revolving door at the entrance of the building allows for a smooth flow of people.

    • They opted to install revolving doors to improve energy efficiency and reduce cold air leakage.

    • The hotel's revolving door turned gracefully as the VIPs arrived.