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noun Common

valve

VALV

Valve (noun) means a device that controls or directs the flow of liquid or gas through a pipe or opening. Example: “Turn the valve to shut off the water supply.”

noun
1
A device that controls or directs the flow of liquid or gas through a pipe or opening.
"Turn the valve to shut off the water supply."
2
A flap-like structure in the body, such as in the heart, that allows fluid to flow in only one direction.
"A faulty heart valve can cause blood to flow backwards."

How to use valve

Learner’s notes

In plain EnglishSomething that opens and closes to control the flow of liquid, gas, or blood in one direction.

Common pairings
heart valve safety valve shut-off valve

Word forms

valved past tense, valves plural, valves singular

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Test yourself on “valve” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

Turn the _____ to shut off the water supply.

Etymology

From Latin valva, "a fold or leaf of a door".

Origin: Latin

Related words

Rhymes for valve

See all rhymes for valve →

Frequently asked questions

What does “valve” mean?

The word “valve” means a device that controls or directs the flow of liquid or gas through a pipe or opening. In plain terms, something that opens and closes to control the flow of liquid, gas, or blood in one direction.

How do you pronounce “valve”?

“Valve” is pronounced VALV (/ˈvælv/ in IPA).

How do you use “valve” in a sentence?

Here is “valve” used in a sentence: “Turn the valve to shut off the water supply.”

What part of speech is “valve”?

“Valve” is a noun.

Where does the word “valve” come from?

The word “valve” comes from Latin. From Latin valva, "a fold or leaf of a door".

Is “valve” a common word?

“Valve” is a fairly common word in modern English.

How many meanings does “valve” have?

“Valve” has 2 distinct senses listed in this dictionary. The most common is: a device that controls or directs the flow of liquid or gas through a pipe or opening.

What is the difference between a valve and a tap?

A valve is any device that controls or directs the flow of liquid or gas through a pipe or opening, while a tap (or faucet) is a specific type of valve fitted at the end of a pipe to release water for use. Every tap contains a valve, but not every valve is a tap.

What is the difference between a valve and a pump?

A valve controls or directs flow by opening, closing, or restricting a passage, whereas a pump actively moves liquid or gas by adding pressure or energy. A valve regulates flow that is already moving; a pump creates the movement in the first place.

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