1. a revolving gate with horizontal bars that allows only one person to pass through at a time

Examples

• She pushed through the turnstile to enter the subway station.
• The museum installed new turnstiles to count visitors more accurately.
• Security guards monitored the turnstiles at the stadium entrance.
• You need to swipe your card before going through the turnstile.
• The turnstile clicked as each person passed through.
• Long lines formed at the turnstiles during rush hour.