| Term | Definition |
| bay | part of a body of water that is partly enclosed by land |
| cape | narrow point of land that extends into a body of water |
| coast | land that borders the sea or ocean |
| delta | area formed by soil deposited at the mouth of a river |
| divide | ridge that separates rivers that flow in one direction from those that flow in the opposite directon |
| hill | area of raised land that is lower and more rounded than a mountain |
| isthmus | narrow strip of land joining two large land areas or joining a peninsula to a mainland |
| lake | body of water surrounded by land |
| mountain | high, steep, rugged land area that rises sharply above the surrounding land |
| mouth of a river | place where a river empties into a larger body of water |
| peninsula | piece of land that is surrounded by water on three sides |
| plain | broad area of fairly level land that is usually close to sea level |
| plateau | large area of high land that is flat or gently rolling |
| river | large stream of water that empties into another body of water |
| river valley | land drained or watered by a river |
| source of a river | place where a river begins |
| strait | narrow channel that connects two larger bodies of water |
| tributary | stream or small river that flows into another stream or river |