a frame consisting of two bars crossing each other at right angles and turning on a post or pin, to hinder the passage of beasts, but admitting a person to pass between the arms; a turnstile. see turnstile, 1.-a gate or bar set across a road to stop carriages, animals, and sometimes people, till toll is paid for keeping the road in repair; a tollgate.-a turnpike road.-a winding stairway.-a beam filled with spikes to obstruct passage; a cheval-de-frise.-to form, as a road, in the manner of a turnpike road; into a rounded form, as the path of a road.