watercourse
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- 1 watercourse、river or stream
This word refers to flowing water together with the course it follows, such as a river, stream, or other watercourse. It emphasizes the flow or channel rather than the size or name of the river.
watercourse、river or stream
A body of water flowing along a defined course, especially a river or stream, and sometimes a waterway more generally.
Learning notes
Explanation
ลำ conveys the idea of something long or extending in a line, while น้ำ means “water.” Together, they evoke water flowing in a continuous course. The word can encompass both the flowing water and the channel it follows. It occurs in ordinary descriptions of rivers, but is especially common in geographic, environmental, flood-control, and water-quality contexts. The usual classifier is สาย: ลำน้ำสองสาย means “two rivers” or “two watercourses.” Common combinations include ริมลำน้ำ, “along the river,” and ข้ามลำน้ำ, “cross a river.”
Usage
It is used when describing where a river runs, how water flows, or what lies along its banks. It is also common in news and informational writing about floods, drought, pollution, ecosystems, and water management.
Caution
Although some dictionaries translate it as “canal,” the word is not limited to artificial waterways. Use คลอง when you specifically mean a constructed canal. For an ordinary reference to a substantial or named river, แม่น้ำ is generally the more basic choice.
Differences from similar words
1 watercourse synonyms
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ลำธาร specifically means a relatively small natural stream or brook. ลำน้ำ is broader and can describe watercourses ranging from small streams to major rivers.
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แม่น้ำ is the ordinary word for a river, especially a substantial or named one. ลำน้ำ is broader in scale and focuses more on the flowing water and its course, making it common in geographic and environmental descriptions.