Turnstile

['tɜːnstaɪl] or ['tɝnstaɪl]

(noun.) a gate consisting of a post that acts as a pivot for rotating arms; set in a passageway for controlling the persons entering.

Typist: Robbie--From WordNet

(n.) A revolving frame in a footpath, preventing the passage of horses or cattle, but admitting that of persons; a turnpike. See Turnpike, n., 1.

(n.) A similar arrangement for registering the number of persons passing through a gateway, doorway, or the like.

Typed by Keller