An international boundary or the area (often fortified) immediately inside the boundary

Usage examples of frontier.

Such was the state of the Roman frontiers, and such the maxims of Imperial policy, from the death of Augustus to the accession of Trajan.

Parachute troops had invaded the Netherlands Indies, Thailand was occupied and Indochina was opened up by the acquiescent Vichy regime, bringing the Japanese forward to the eastern frontier of Burma.

He would rouse the tribes on this side of the frontier to join his Afghani forces, he might even call on a little Russian support.

That the tide of agrarianism was gradually flowing westward as the frontier advanced is apparent from the election returns in the States bordering on the upper Mississippi.

Bundesgrenzschutz a force of West German riot police who guard airports, embassies and the border and an elderly Englishman in a curious nautical uniform worn by the British Frontier Service, which acts as guides for ail British army patrols on land, air and river.

At first glance, even on the second, Amicus looked typical of thousands of frontier pesthole villes he had passed through.

American ancestor settled as the first permanent minister beyond the mountains, following the paths of the French priests in their missions and became a member of a presbytery extending from the mountains to the setting sun, until my last collateral ancestor living among the Indians helped survey the range lines of new States and finally marked the boundaries of the last farms in the passes of the Rockies, that ancestry has followed the frontier westward from where Celoron planted the emblems of French possession along the Ohio to where Chevalier la Verendrye looked upon the snowy and impassable peaks of the Rockies.

The negotiations also stated that in all these strategic military actions the frontier lines drawn at the Second Viennese Arbitrage did not have to be taken into consideration, meaning that the Hungarian Army units could take up defense positions anywhere in the southern Carpathians.

Army would not be disarmed but would be furnished with modern equipment, that her frontiers were to stay the same as those traced in the two Viennese Arbitrage decisions and, concerning the return of the entire Transylvanian territory, a separate proposition would have to be submitted.

April 3, the German armies poured across the Polish frontier and converged on Warsaw from the north, south and west.

One, perhaps two, armoured divisions, with one motorised division, about 180 dive-bombers, and some parachute troops, seems to be all that could cross the Bulgarian-Greek frontier up till the middle of February.

But in the Transylvanian sector of the Hungarian frontier, they were in the beginning stages, and the technical engineer battalions asigned to this duty were trying to advance the state of these by working day and night on the project.

Also like others, he had long dreamed of achieving, personally, a major breakthrough, a discovery which would push back dramatically the frontiers of knowledge and place his name in the honor roll of history.

Turkish frontier, but the government is making great efforts to divert the trade to Varna and Burgas, and important harbour works have been carried out at both these ports.

The Jesuits pushed out their spiritual frontiers, advancing on the north amongst the Tobatines of the woods, and on the west endeavouring to spread their colonies amongst the Chiriguanas and other of the Chaco tribes.