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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.


mason jar British  

noun

  1. an airtight glass jar for preserving food

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Mason jar

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

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

You can also drink your water out of a glass, a paper cup, a Mason jar; then you can get the stuff to fill it with out of your tap for free.

From Salon Jan. 20, 2024

And she shows up with this Mason jar.

From Los Angeles Times May 12, 2023

I picked up the Mason jar lid, which was also on the nightstand.

From "It All Comes Down to This" by Karen English

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

Place a spent, split vanilla pod into a heat-resistant glass mason jar.

From Salon Apr. 19, 2022

Plus, a large mason jar or tall drinking glass will help to accommodate the towering stalks so that they can stay fresh for days.

From Salon Apr. 6, 2022

Every year, when the first flowers showed up, Mama would cut off a few branches and put them in water in a mason jar.

From "Finding Langston" by Lesa Cline-Ransome

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