Frontier and Turnpike

Frontier noun - A region along the dividing line between two countries.

Turnpike and frontier are semantically related. In some cases you can use "Turnpike" instead a noun "Frontier".

Nearby Word: frontiersman

Turnpike noun - A passage cleared for public vehicular travel.

Frontier and turnpike are semantically related. Sometimes you can use "Frontier" instead a noun "Turnpike".