revolving door

1 definition found

revolving door - WordNet (r) 2.1 (2005) :

  revolving door
      n 1: an organization or institution with a high rate of turnover
           of personnel or membership
      2: a door consisting of four orthogonal partitions that rotate
         about a central pivot; a door designed to equalize the air
         pressure in tall buildings [syn: revolving door,
         revolver]