- a post with revolving horizontal bars, placed in an entrance to allow the passage of persons but not of horses, cattle, etc.
- a similar apparatus, often coin-operated, used to admit persons one at a time
See turnstile in American Heritage Dictionary 4
- A mechanical device used to control passage from one public area to another, typically consisting of several horizontal arms supported by and radially projecting from a central vertical post and allowing only the passage of individuals on foot.
- A similar structure that permits the passage of an individual once a charge has been paid or that counts the number of individuals passing through.
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