(1):
(n.) A winding stairway.
(2):
(n.) 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.
(3):
(n.) A turnpike road.
(4):
(n.) 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.
(5):
(n.) A beam filled with spikes to obstruct passage; a cheval-de-frise.
(6):
(v. t.) To form, as a road, in the manner of a turnpike road; into a rounded form, as the path of a road.