Wordnet 3.0
NOUN (2)
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]
WordNet (r) 3.0 (2006):
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]