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• quart
  quart

  noun

  a unit of liquid measure of capacity, equal to one fourth of a gallon, or 57.749 cubic inches (0.946 liter) in the U.S. and 69.355 cubic inches (1.136 liters) in Great Britain.
• quart.
  quart.

  abbreviation

  quarter.

quart

¹ American  

[kwawrt] / kwɔrt /

noun

1. a unit of liquid measure of capacity, equal to one fourth of a gallon, or 57.749 cubic inches (0.946 liter) in the U.S. and 69.355 cubic inches (1.136 liters) in Great Britain.

2. a unit of dry measure of capacity, equal to one eighth of a peck, or 67.201 cubic inches (1.101 liters).

3. a container holding, or capable of holding, a quart.

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quart ² American  

[kahrt] / kɑrt /

noun

1. Piquet. a sequence of four cards of the same suit, as an ace, king, queen, and jack quart major, or king, queen, jack, and ten quart minor.

2. Fencing Rare. quarte.

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quart. ³ American  

abbreviation

1. quarter.

2. quarterly.

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quart ¹ British  

/ kwɔːt /

noun

1. a unit of liquid measure equal to a quarter of a gallon or two pints. 1 US quart (0.946 litre) is equal to 0.8326 UK quart. 1 UK quart (1.136 litres) is equal to 1.2009 US quarts

2. a unit of dry measure equal to 2 pints or one eighth of a peck

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quart ² British  

noun

1. piquet a sequence of four cards in the same suit

2. fencing a variant spelling of quarte

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quart Scientific  

/ kwôrt /

1. A unit of volume or capacity in the US Customary System, used in liquid measure and equal to 1/4 of a gallon or 32 ounces (0.95 liter).

2. See Table at measurement

3. A unit of volume or capacity in the US Customary System, used in dry measure and equal to 1/8 of a peck or 2 pints (1.10 liter).

4. See Table at measurement

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Etymology

Origin of quart¹

1275–1325; Middle English < Old French quarte fourth part, quarter < Latin quarta, noun use of feminine of quartus fourth (in order)

Origin of quart²

1685–95; < French quarte, noun use of feminine of quart < Latin quartus; see quart ¹

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Explanation

A quart is a unit used to measure something liquid, like milk or paint. There are four quarts in a gallon. A quart of paint may be all you need to spruce up your front door, and your cake recipe might call for a quart of buttermilk. In both cases, you're using the equivalent of four liquid cups or one-fourth of a gallon. The word dates from the 14th century, from a Latin root, quartus, which means "the fourth part."

Example Sentences

See Examples For:

quart

Borrow a gallon, keep it until September 2027, and the library wants it back plus a late fee worth more than a quart.

From MarketWatch ● Oct. 28, 2026

If we did that, gas prices would only be around $1 a quart.

From The Wall Street Journal ● May 6, 2026

Be sure to cool stock completely before pouring into jars, quart containers or other storage.

From Salon ● Mar. 22, 2024

When the plants are 4 to 5 inches tall, he separates them into groups of three in quart size containers.

From Los Angeles Times ● Mar. 14, 2024

At the drop of a five-dollar bill he could also fashion an ornate Persian wine goblet from an old quart pop bottle.

From "The Milagro Beanfield War" by John Nichols

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