| Term | Definition |
| archipelago | A broad area of water containing several islands |
| bay/gulf | An inlet of the ocean bordering on land and partly surrounded by land |
| canal | Man made channel connecting two bodies of water for irrigation and/or navigation |
| canyon | Deep, narrow valley with steep sides |
| cape | Narrow piece of land projecting into the sea |
| delta | Land formed by mud, silt, or sand at mouoth of river |
| desert | Large land area with little moisture or vegetation |
| elevation | Height of land above sea level |
| harbor | Protected place along shore where ships can safely anchor |
| island | Body of land completely surrounded by water |
| isthmus | Narrow strip of land bordered by water connecting two larger land masses |
| lake | Inland body of water completely surrounded by land |
| oasis | Dessert place made fertile by steady supply of water |
| ocean | Earth's largest four bodies of salt water |
| peninsula | Piece of land surrounded by water on three sides |
| plain | Nearly level large area of flat land |
| plateau | Nearly level large area of land atop an elevated area |
| port | Man made place where ships load and unload goods |
| river | Large stream of water starting naturally that drains a land area and flows into another body of water |
| river mouth | Point where a river ends and empties into a large body of water |
| river source | Point where a river begins |
| sea | Large body of water partly, nearly, or completely, surrounded by land |
| strait | Narrow strip of water joining two larger bodies of water |
| valley | Area of low land between mountains or hills |