1. [noun] A frame consisting of two bars crossing each other at right angles and turning on a post or pin, to hinder the passage of animals, but admitting a person to pass between the arms; a turnstile.
2. [noun] A gate or bar set across a road to stop carriages, animals, and sometimes people, until a toll is paid; a tollgate.
3. [noun] (Scotland) A winding stairway.
4. [noun] (military) A beam filled with spikes to obstruct passage; a cheval de frise.
5. [noun] (US) A toll road, especially a toll expressway.
6. [noun] A road that was formerly a toll road.
7. [verb] To form (a road, etc.) in the manner of a turnpike road; into a rounded form, as the path of a road.
8. [noun] (from 16th to 19th centuries) gates set across a road to prevent passage until a toll had been paid.
9. [noun] An expressway on which tolls are collected.