Used attributively to modify another noun, indicating a relation to physical or metaphorical turnstiles (e.g., "turnstile revenue").
Definitions
turnstilenoun
A mechanical gate consisting of revolving horizontal arms that allow only one person at a time to pass through, often used to control entry to a place.
The stadium installed new turnstiles to manage the flow of fans entering for the big game.
A similar device used in public transportation systems to control access to platforms or vehicles.
Commuters swiped their transit cards at the turnstile to enter the subway station.
In mathematical logic, the symbol ⊢ indicating that a statement or formula is derivable from a set of premises.
In sequent notation, we write Γ ⊢ φ to show that the formula φ is provable from the set of assumptions Γ.
turnstileadjective
Relating to or involving a turnstile or turnstiles.
Turnstile revenue fell sharply during the stadium renovation.