revolving door

Definitions of revolving door
1

n a door consisting of four orthogonal partitions that rotate about a central pivot; a door designed to equalize the air pressure in tall buildings

Synonyms:
revolver
Type of:
door
a swinging or sliding barrier that will close the entrance to a room or building or vehicle

n an organization or institution with a high rate of turnover of personnel or membership

Type of:
social group
people sharing some social relation

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