Mason jar

noun

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

mason jar

noun

1. an airtight glass jar for preserving food

Word History and Origins

Origin of Mason jar¹

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

Word History and Origins

Origin of Mason jar¹

C20: named after its US inventor, John L. Mason (1832–1902)

Example Sentences

When it comes to storing your backyard bounty for the long haul, Gogol recommends putting it in airtight Mylar bags, Mason jars or tins — but to steer clear of the old-school Ziploc bag.

From Los Angeles Times

The day before, he’d bought Mason jars for storing cooking oil.

From Los Angeles Times

There are fewer each year in the Mason jars of wide-eyed children.

From Salon

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

The sloes should be rested in a Mason jar of gin, filled just below the liquid level.

From Washington Times