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# Turnstyle vs. Turnstile

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• Turnstile

A turnstile, also called a baffle gate or turnstyle, is a form of gate which allows one person to pass at a time. It can also be made so as to enforce one-way traffic of people, and in addition, it can restrict passage only to people who insert a coin, a ticket, a pass, or similar. Thus a turnstile can be used in the case of paid access (sometimes called a faregate or ticket barrier when used for this purpose), for example to access public transport, a pay toilet, or to restrict access to authorized people, for example in the lobby of an office building.

Wikipedia
• Turnstyle (noun)

misspelling of turnstile

• Turnstile (noun)

A rotating mechanical device that controls and counts passage between public areas, especially one that only allows passage after a charge has been paid.

• Turnstile (noun)

A similar device in a footpath to allow people through one at a time while preventing the passage of cattle.

• Turnstile (noun)

The $\vdash$ symbol used to represent logical entailment (deducibility relation), especially of the syntactic type; i.e., syntactic consequence. (Such symbol can be read as "prove(s)" or "give(s)". )

Wiktionary
• Turnstile (noun)

a mechanical gate consisting of revolving horizontal arms fixed to a vertical post, allowing only one person at a time to pass through.

Oxford Dictionary
• Turnstile (noun)

A revolving frame in a footpath, preventing the passage of horses or cattle, but admitting that of persons; a turnpike. See Turnpike, n., 1.

• Turnstile (noun)

A similar arrangement for registering the number of persons passing through a gateway, doorway, or the like.

Webster Dictionary
• Turnstile (noun)

a gate consisting of a post that acts as a pivot for rotating arms; set in a passageway for controlling the persons entering

Princeton's WordNet