Definition of mason jar in English:

mason jar

Syllabification: ma·son jar
(also Mason jar)

noun

A wide-mouthed glass jar with an airtight screw top, used for preserving fruit and vegetables.
More example sentences
  • Orson Welles stuck a Mason jar inside a toilet bowl and made all of America believe the sound was an alien spacecraft opening during his terrifying ‘War of the Worlds’ broadcast.
  • Take along your favorite flea-market finds too: an old chair or two, chunky go-anywhere dishes, and reliable Mason jars.
  • We caught butterflies in the patches of wildflowers, encased fireflies in Mason jars, and ran down horned frogs which we'd keep all summer and release before school started.

Origin

late 19th century: named after John L. Mason (died 1902), US inventor.

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