turnstile


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Related to turnstile: Turnstile antenna

turnstile

Logic a symbol of the form ├, ÿE;, or ╟, used to represent logical consequence when inserted between expressions to form a sequent, or when prefixed to a single expression to indicate its status as a theorem
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

turnstile

[′tərn‚stīl]
(engineering)
A barrier that rotates about a vertical axis and usually is arranged to allow the passage of only one person at a time through an opening.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

turnstile

A barrier which rotates on an axis and usually is so arranged as to allow the passage of a person through an opening only in one direction, one person at a time.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Seven turnstiles were allocated to 10,100 Liverpool supporters with terrace tickets, which prosecutors argued created a foreseeable risk of creating a large build-up.
Mr Beer also questioned whether turnstile arrangements were Mackrell's responsibility.
However, one rational netizen pointed out the possibility that "if you keep pushing the turnstile, the number will continue to climb."
At other grounds I'd got stuck in turnstiles so when I saw them I thought, 'There's no way I can fit through there'.
But for the legions of fans who still remember matches at Boro's former ground, these two rusty red, cast iron turnstiles are a fascinating piece of football history.
"New turnstile system, turnstiles broken, 1000s upon 1000s outside in huge queues."
Finally, the cash turnstiles were opened just 15 minutes before the game started.
The jury has previously heard Liverpool fans had the use of 23 turnstiles on the west side of the ground compared with 60 for their opponents, Nottingham Forest, on the day of the disaster.
The company purchased turnstiles TTR-08A for outdoor use, IP-Stiles KT-05 with SL-02 single user software with "Verification" function and updated card capture readers IC-03.
In a statement Mr Clibbens said: "Blackburn Rovers supporters paying on the day for the match highlighted that the walkup price being charged at the turnstiles for away fans was less than the pre-purchase price.
Unsuccessful jumping over of a passenger ended up with saddening event, in which he was trying to pass the turnstile without paying fee.