revolving door(redirected from Spinning door)
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Related to Spinning door: revolving door
revolving door[ri′välv·iŋ ′dȯr]
A door consisting of four leaves that revolve together on a central vertical axis within a circular vestibule.
An exterior entrance door consisting of four leaves at right angles to each other, set in the form of a cross, which pivot about a vertical axis within a cylindrical-shaped vestibuleSee also: Dutch door
An exterior door consisting of four leaves (at 90° to each other) which pivot about a common vertical axis within a cylindrically shaped vestibule; prevents the direct passage of air through the vestibule, thereby eliminating drafts from outside.