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turnpike (n.)

early 15c., "spiked road barrier used for defense," from turn + pike (n.2) "shaft." Sense transferred to "horizontal cross of timber, turning on a vertical pin" (1540s), which were used to bar horses from foot roads. This led to the sense of "barrier to stop passage until a toll is paid" (1670s). Meaning "road with a toll gate" is from 1748, shortening of turnpike road (1745).

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Definitions of turnpike from WordNet

turnpike (n.)
(from 16th to 19th centuries) gates set across a road to prevent passage until a toll had been paid;
turnpike (n.)
an expressway on which tolls are collected;
Synonyms: toll road
From wordnet.princeton.edu