Meanings of natural rampart in English

Then they form a natural rampart about the lesser properties in all their gradations.

In front, facing the desert, was a heap of rock that formed a natural rampart.

From Conway to Harlech lies the vast mass of Snowdon, a great natural rampart running from sea to sea.

Describing an arc of perfect proportions, its midmost depression a mile behind the Fort, a great mountain forms a natural rampart.

Casting a glance behind me, I saw my travelling companions standing on the top of the low natural rampart that surrounded Cél Craidd.

We came to a natural rampart, wide at top, steeply descending on three sides, set in a loop of a little clear river named Yanique.

In the first place, mountain ranges cut up Continental Greece into many small states, separated from one another by natural ramparts.

They comprise, in fact, six or seven parallel ranges, resembling natural ramparts piled up between the country of the Tigris and the table-land of Iran.