Definition Of frontie
a line or border separating two countries.
Two border guards patrolling the nearby frontier with Georgia have also been reported missing since Friday night.
Example Of frontie
After the reductions following that war, the Army returned to its frontier outposts.
Americans saw little value in pushing this new frontier any further at the time.
an end to frontier controls
Attempts by the British to restrict further expansion into the western frontier constituted one of the factors contributing to the Revolution.
But perhaps it would be fairer to suggest that it was the frontier that failed the settlers.