waterway
/ˈwɔtərˌweɪ/
noun
- A river, canal, or other body of water that ships or boats can travel on.
- The Mississippi River is a major waterway for transporting goods across the United States.
- The canal was dug to create a new waterway connecting the two lakes.
- Many cities were built along natural waterways to support trade and travel.
Antonyms