TURNPIKE
turnpike, toll road
(noun) an expressway on which tolls are collected
turnpike
(noun) (from 16th to 19th centuries) gates set across a road to prevent passage until a toll had been paid
Source: WordNet® 3.1
Etymology
Noun
turnpike (plural turnpikes)
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.
A gate or bar set across a road to stop carriages, animals, and sometimes people, until a toll is paid,
Synonym: tollgate
(Scotland) A winding stairway.
(military) A beam filled with spikes to obstruct passage; a cheval de frise.
A toll road, especially a toll expressway.
(mathematical economics) A trajectory on a finite time interval that satisfies an optimality criterion which is associated with a cost function.
Verb
turnpike (third-person singular simple present turnpikes, present participle turnpiking, simple past and past participle turnpiked)
To form (a road, etc.) in the manner of a turnpike road; into a rounded form, as the path of a road.
Source: Wiktionary
Turn"pike`, n. Etym: [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. [Scot.] Sir W. Scott.
5. (Mil.)
Definition: A beam filled with spikes to obstruct passage; a cheval-de-
frise. [R.] 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.
Turn"pike`, v. t. [imp. & p. p. Turnpiked; p. pr. & vb. n.
Turnpiking.]
Definition: To form, as a road, in the manner of a turnpike road; into a
rounded form, as the path of a road. Knowles.
Source: Webster’s Unabridged Dictionary 1913 Edition