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Word
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Definition
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| picacho | (Spanish) an isolated peak of a hill. |
| piedmont | An area of land formed or lying at the foot of a mountain or mountain range. |
| pingo | (Inuit) a cone-shaped mound with an ice core. |
| pocosen | (Am. Ind.) an upland swamp of the coastal plain of the southeastern U.S. |
| poechore | A semiarid region. |
| rambla | (Spanish) a dry ravine; a broad avenue esp in Barcelona. |
| rillmark | A marking produced by water running down a bank or beach. |
| rimaye | (Fr.) a crevasse formed where a glacier or snowfield moves away from a mountain wall. |
| rimland | An outlying land. |
| rognon | (Fr.) an isolated rock outcrop on a glacier. |
| savanna | (Spanish) tropical grassland. |
| scabland | An area of bare rock in the N. W. US that has been deeply channelled by glacial meltwater. |
| seif | (Arabic) a long sand-dune lying parallel to the direction of the wind that forms it. |
| serac | (Fr.) a large mass of ice broken off a glacier and remaining behind in a crevasse. |
| shott | (Arabic) a shallow saline lake of northern Africa; the dried bed of such a lake. |
| skaw | A low cape or headland. |
| skerry | (ON) a small rocky island. |
| slade | A little valley or dell. |
| slieve | (Irish) a mountain. |
| slobland | A mudflat, reclaimed alluvial land. |
| soffioni | (Ital.) volcanic steam-holes. |
| sowback | An eroded, steeply tilted ridge of resistant rocks with equal slopes on the sides. |
| strath | (Scots) a valley of considerable size, through which a river runs. |
| swail | A marshy hollow or depression. |
| swire | A hollow between two hills. |
| talweg | (Ger.) a line following the lowest point of a valley |
| tephra | (Greek) ash and debris ejected by a volcano. |
| tombolo | (Ital.) a bar of sand or gravel connecting one island with another. |
| urman | (Russian) swampy pine forest. |
| washaway | An erosion of the earth's surface due to running water. |
| yardang | (Turkish) a ridge formed by wind erosion parallel to prevailing winds. |