mason jar

noun, often capitalized M

Definition of mason jar

  1. :  a widemouthed jar used especially for home canning

Origin and Etymology of mason jar

John L. Mason, †1902 American metalsmith


First Known Use: 1888


MASON JAR Defined for English Language Learners

mason jar

noun, often capitalized M

Definition of mason jar for English Language Learners

  • : a glass jar that has a wide opening and that is usually used in preserving fruits or vegetables

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WORD OF THE DAY

to cast off or become cast off

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