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• Mason jar
  Mason jar

  noun

  a glass jar with a wide mouth and an airtight screw top, much used in home canning.
• mason jar
  mason jar

  noun

  an airtight glass jar for preserving food

Mason jar

American  

noun

1. a glass jar with a wide mouth and an airtight screw top, much used in home canning.

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mason jar British  

noun

1. an airtight glass jar for preserving food

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Etymology

Origin of Mason jar

1880–85, named after John L. Mason, 19th-century American who patented it in 1858

Example Sentences

See Examples For:

Mason jar mason jar

Here, she discusses her self-talk in the mirror, the significance of her Mason jar and the giant middle finger on her closet floor.

From The Wall Street Journal ● Feb. 16, 2026

Place the fine-cut chard stems in a Mason jar or other heatproof narrow container.

From Seattle Times ● Feb. 9, 2024

She somehow convinced the chef to give her a whole Mason jar of the hot sauce.

From Los Angeles Times ● May 12, 2023

I’ll be the one with a Mason jar.

From Washington Post ● Apr. 20, 2023

Hugh called out from where he was jabbing holes into a Mason jar lid.

From "Stella by Starlight" by Sharon M. Draper

This method is a fun one: Treat them, literally, like flowers by propping them up in a mason jar, vase or glass with their stems or ends slightly trimmed.

From Salon ● Jul. 18, 2023

Early in the event, people began to huddle near a table decorated with wildflowers in a mason jar and a yellow legal pad.

From Los Angeles Times ● Jun. 21, 2023

The sauce can be made and refrigerated in a glass mason jar up to one week in advance.

From Washington Times ● May 28, 2023

Combine the two in a large mason jar or another large, sealable vessel and stir vigorously to ensure that the grounds are moistened.

From Salon ● Jan. 24, 2022

But I get a good feeling after arriving at the third one and spotting a Strong Shoulder mason jar like we drink iced tea from in the neighborhood.

From "Shouting at the Rain" by Lynda Mullaly Hunt