revolving door

1. A door that rotates around a central pivot.

   Drehtür

   враща́ющаяся дверьvraščájuščajasja dverʹ, дверь-верту́шкаdverʹ-vertúška

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

2. (figuratively)A system or institution that people exit and immediately reenter.

3. A movement of personnel between roles as legislators and regulators, on the one hand, and members of the industries affected by the legislation and regulation, on the other.

   Drehtür-Effekt

4. Synonym of recidivism.

regular

• revolving-dooralternative