<p>You got the point. </p>

<p>"运河" must refer the <strong>human-made</strong> channels in <strong>a large scale</strong>, f<strong>or water conveyance/transportion</strong>. That's what "运" emphasize. <strong>Usually, it connects big lake/river/ocean or through the peninsula or isthmus</strong>.</p>

<p>In the meantime, "渠" just refer all human-made channels. "渠" is more like a superset of "运河"; </p>

<p>But why we don't just call all channel to 渠? Same reason like the water is a superset of the ocean, but you would never call "the Pacific Ocean" to "the Pacific Water".  </p>

<p>Now you can tell the difference between "运河" and "渠". </p>

CC BY-SA 3.0
2017-09-29T00:31:57.503Z
What does it mean by "渠" is more like a superset of "运河"?
dan
CC BY-SA 3.0
2017-09-29T02:40:28.557Z
@dan "运河" is one kind of "渠" logically.
Kevman
CC BY-SA 3.0
2017-09-29T16:47:34.823Z
@Kevman What confused me is 灵渠. I was told it was built under the command of the 1st emperor of China, for the purpose of transporting food to soldiers in south China. So clearly, "运河" is a better word to name this human-made channel, right?
cnwang09
CC BY-SA 3.0
2017-09-29T16:53:42.197Z
@cnwang09 I am not sure but I thought there are few reasons: 1. 灵渠 is a canal with "only" 36.4 KM, meanwhile, the Grand Canal is 1000+ KM long. And the Grand Canal consists of various 渠. You could check the wiki. These 渠 plus the main branch become the Grand Canal today.
Kevman
CC BY-SA 3.0
2017-09-29T16:55:40.013Z
@cnwang09 2nd guess is the word "渠" has a longer history. "运河" is more modern word comparing "渠". Probably at that time, people thought they need a new word to describe the "渠" those in a big scale. Becuase nowadays 渠 seems like an ancient word to describe a canal. Nobody would call a canal "渠" anymore.
Kevman
CC BY-SA 3.0
2017-10-01T01:14:06.427Z
@Kevman If the length is taken into consideration, it looks like there is only one 运河 in China: The Grand Canal. All the rests are called 渠.
cnwang09
CC BY-SA 3.0
2017-09-28T20:35:55.770Z
2017-09-28T20:35:55.770Z
Kevman
<p>You are right！You can distinguish “运河” from “渠” as you think.</p>

CC BY-SA 3.0
2017-10-01T01:17:18.950Z
See above. 灵渠 is built for transportation, but it is called 渠. So my speculation is wrong. So far the only plausible explanation is only the Grand Canal is called 运河, because it is long enough.
cnwang09
CC BY-SA 3.0
2017-10-01T15:09:12.667Z
@cnwang09 "灵渠，又名湘桂运河、兴安运河，俗称为陡河 .." : from wiki. There is seldom a rule in language that you cannot find an exception.
fefe
CC BY-SA 3.0
2017-09-30T03:52:48.247Z
2017-09-30T03:52:48.247Z
Nacy
<p>My question is in the title. Does it mean, if the canal is for boats or ships (transportation), it is called "运河"? If the canal is for watering the land, is it called "渠"? I am confused. </p>

CC BY-SA 3.0
2017-09-28T17:30:47.750Z
✓  jukuu: irrigation  canal: 灌渠 (30 samples), 31.  "canal:an artificial waterway or artificially improved river used for travel, shipping, or irrigation."
 运河,沟渠:人工水道或人工修缮的河流,用于旅行、航运或灌溉. 92 samples for 沟渠,  运河 bkrs:1) canal
2) the Grand Canal(大运河) 
canal; ship canal
1) 特指京杭大运河。从春秋时吴国开挖邗沟开始，以后屡加开挖疏浚，至元代形成一条自大都(今北京)直达杭州的南北大运河。
2) 指人工开挖藉以通航的河道。除我国大运河外，最着名的有沟通太平洋和大西洋的巴拿马运河和沟通地中海和红海的苏伊士运河。
渠 ditch, canal, channel, gutter
user6065
CC BY-SA 3.0
2017-09-28T17:55:30.710Z
instead of single character 渠 users recommend using 2 as in 沟渠、渠道、河渠、灌渠，unless context allows for abbreviation, e.g. 这条渠的最深处是一丈五，or when occurring in 成语：
水到渠成 When conditions are ripe, success is assured.
user6065
CC BY-SA 3.0
2017-09-28T20:39:30.470Z
@user6065 Explain "郑国渠". You're missing the whole point.
Kevman
CC BY-SA 3.0
2017-09-28T23:01:01.387Z
bkrs：郑国渠：古代关中平原的人工灌溉渠。Zhengguo canal, a 150 km long irrigation canal in Shaanxi built in 264 BC 

灌溉渠 irrigation canal, jukuu has 27 samples, shorter form 灌渠,  8 samples (sometimes translated as irrigation channel/ditch)
user6065
<vocabulary>
Why is the word "canal" called 运河 in Chinese?
# Why is the word "canal" called 运河 in Chinese?

(Asked by: username_0 on 2017-09-28)

My question is in the title. Does it mean, if the canal is for boats or ships (transportation), it is called "运河"? If the canal is for watering the land, is it called "渠"? I am confused.

**Tags:** vocabulary
> **Comments:**
> **username_1**: ✓  jukuu: irrigation  canal: 灌渠 (30 samples), 31.  "canal:an artificial waterway or artificially improved river used for travel, shipping, or irrigation."  运河,沟渠:人工水道或人工修缮的河流,用于旅行、航运或灌溉. 92 samples for 沟渠,  运河 bkrs:1) canal 2) the Grand Canal(大运河)  canal; ship canal 1) 特指京杭大运河。从春秋时吴国开挖邗沟开始，以后屡加开挖疏浚，至元代形成一条自大都(今北京)直达杭州的南北大运河。 2) 指人工开挖藉以通航的河道。除我国大运河外，最着名的有沟通太平洋和大西洋的巴拿马运河和沟通地中海和红海的苏伊士运河。 渠 ditch, canal, channel, gutter  
> **username_1**: instead of single character 渠 users recommend using 2 as in 沟渠、渠道、河渠、灌渠，unless context allows for abbreviation, e.g. 这条渠的最深处是一丈五，or when occurring in 成语： 水到渠成 When conditions are ripe, success is assured.  
> **username_2**: @user6065 Explain "郑国渠". You're missing the whole point.  
> **username_1**: bkrs：郑国渠：古代关中平原的人工灌溉渠。Zhengguo canal, a 150 km long irrigation canal in Shaanxi built in 264 BC   灌溉渠 irrigation canal, jukuu has 27 samples, shorter form 灌渠,  8 samples (sometimes translated as irrigation channel/ditch)  

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## 2 answers

### Answer by username_2 on 2017-09-28. Score: 1 | Accepted answer

You got the point.

"运河" must refer the **human-made** channels in **a large scale**, f**or water conveyance/transportion**. That's what "运" emphasize. **Usually, it connects big lake/river/ocean or through the peninsula or isthmus**.

In the meantime, "渠" just refer all human-made channels. "渠" is more like a superset of "运河";

But why we don't just call all channel to 渠? Same reason like the water is a superset of the ocean, but you would never call "the Pacific Ocean" to "the Pacific Water".

Now you can tell the difference between "运河" and "渠".

> **Comments:**
> **username_3**: What does it mean by "渠" is more like a superset of "运河"?  
> **username_2**: @dan "运河" is one kind of "渠" logically.  
> **username_0**: @Kevman What confused me is 灵渠. I was told it was built under the command of the 1st emperor of China, for the purpose of transporting food to soldiers in south China. So clearly, "运河" is a better word to name this human-made channel, right?  
> **username_2**: @cnwang09 I am not sure but I thought there are few reasons: 1. 灵渠 is a canal with "only" 36.4 KM, meanwhile, the Grand Canal is 1000+ KM long. And the Grand Canal consists of various 渠. You could check the wiki. These 渠 plus the main branch become the Grand Canal today.  
> **username_2**: @cnwang09 2nd guess is the word "渠" has a longer history. "运河" is more modern word comparing "渠". Probably at that time, people thought they need a new word to describe the "渠" those in a big scale. Becuase nowadays 渠 seems like an ancient word to describe a canal. Nobody would call a canal "渠" anymore.  
> **username_0**: @Kevman If the length is taken into consideration, it looks like there is only one 运河 in China: The Grand Canal. All the rests are called 渠.  

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### Answer by username_4 on 2017-09-30. Score: 0

You are right！You can distinguish “运河” from “渠” as you think.

> **Comments:**
> **username_0**: See above. 灵渠 is built for transportation, but it is called 渠. So my speculation is wrong. So far the only plausible explanation is only the Grand Canal is called 运河, because it is long enough.  
> **username_5**: @cnwang09 "灵渠，又名湘桂运河、兴安运河，俗称为陡河 .." : from wiki. There is seldom a rule in language that you cannot find an exception.  

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