revolving door
noun
plural
revolving doors
plural
revolving doors
Britannica Dictionary definition of REVOLVING DOOR
1
[count]
:
a type of door that turns in its frame when it is used and allows people to go both in and out of a large building at the same time
2
[singular]
a
—
used to describe a situation in which the people who have a particular job or position are constantly or frequently changing
b
—
used to describe a situation in which someone leaves and returns to a place or position many times
— revolving–door
adjective,
always used before a noun