| A | B |
| peninsula | a body of land almost surrounded by water |
| harbor | an area of deep water protected from winds,etc., that forms a place where ships may safely harbor |
| tributary | a stream or small river that flows into a larger body of water |
| coast | land along the sea |
| archipelago | a group of islands |
| mouth | the part of the river where its water empty into a larger body of water |
| valley | low land that lies beteen hills or mountains |
| fjord | a narrow bay of the sea bordered by steep cliffs |
| canyon | a narrow valley with steep sides |
| island | a body of land surrounded by water; smaller thn a continent |
| divide | a ridge or highland that separates two river basins |
| source | the place where the river begins, usually in the highlands |
| bay | a part of a body of water that extends into land |
| delta | a deposit of soil that collects at the month of a river |
| plateau | flat or gently rolling land that stands high above sea level |
| plain | a flat stretch of land |
| strait | a narrow channel that connects 2 larger bodies of water |
| basin | land drained by a river |