Definition of optical turnstile in English:

optical turnstile

Syllabification: op·ti·cal turn·stile

Entry from US English dictionary


  • An access control system without barriers in which those attempting to enter are evaluated by closed-circuit television or other visual means.

More definitions of optical turnstile

Definition of optical turnstile in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day astrogation
Pronunciation: ˌastrəˈgāSHən
(in science fiction) navigation in outer space