Turn″pike′ (?), n. [Turn + pike.] 1. 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.
I move upon my axle like a turnpike. B. Jonson.
2. 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.
3. A turnpike road. De Foe.
4. A winding stairway. Sir W. Scott.
5. (Mil.) A beam filled with spikes to obstruct passage; a cheval-de-frise.
Turnpike man, a man who collects tolls at a turnpike. — Turnpike road, a road on which turnpikes, or tollgates, are established by law, in order to collect from the users tolls to defray the cost of building, repairing, etc.