noun
turnstile
TUHNS-tyl
noun
1
A mechanical gate with rotating arms that lets one person through at a time, often after a ticket or payment.
"He tapped his card and pushed through the turnstile."
"Long queues formed at the stadium turnstiles."
2
In logic, the "⊢" symbol used to show that a statement follows from what comes before it.
"The proof used a turnstile to show the conclusion followed from the premises."
How to Use Turnstile
Learner’s notesIn plain EnglishA rotating gate that lets people through one by one, common at stations and stadiums.
Common pairings
pass through the turnstile
ticket turnstile
Word Forms
turnstiles plural
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He tapped his card and pushed through the _____.
Etymology
From "turn" plus "stile" (a step or gate for crossing a fence), describing a stile that rotates.