Indeed, some of the Russian forces that were pulling back a few weeks ago now seem to be advancing once again toward the frontier.
He established that Shannon was on frontier Airlines flight 727 on June 30, 2011, from Washington to Denver.
One of the rebels told us that no passports or identity papers had to be checked on this side of the frontier any longer.
Russian intelligence activity on the Ukrainian side of the frontier has added to that concern.
After a childhood of breaking horses with her father, Lily rides 500 miles on a pony to a frontier town to teach.
He was now ordered with an escort of Uhlans to the frontier.
In view of this, Clarke was sent to guard the frontier forts.
It is not surprising, therefore, that Herodotus did not know all that existed on the far Persian frontier.
The frontier has produced few bloodier records than Plummer's.
For the time, at least, a few hundreds out of the host of the invaders had been forced back over the frontier.
c.1400, from Old French frontier "prow of a ship, front rank of an army" (13c.), noun use of adjective frontier "facing, neighboring," from front "brow" (see front (n.)).
Originally the front line of an army, sense of "borderland" is first attested early 15c. In reference to North America, from 1670s; later with a specific sense:
What is the frontier? ... In the census reports it is treated as the margin of that settlement which has a density of two or more to the square mile. [F.J. Turner, "The Frontier in American History," 1920]Frontiersman is from 1782.