'Turnstile' definitions:

Definition of 'turnstile'

From: WordNet
noun
A gate consisting of a post that acts as a pivot for rotating arms; set in a passageway for controlling the persons entering

Definition of 'Turnstile'

From: GCIDE
  • Turnstile \Turn"stile`\, n.
  • 1. A revolving frame in a footpath, preventing the passage of horses or cattle, but admitting that of persons; a turnpike. See Turnpike, n., 1. [1913 Webster]
  • 2. A similar arrangement for registering the number of persons passing through a gateway, doorway, or the like. [1913 Webster]