Mason jar
noun
a glass jar with a wide mouth and an airtight screw top, much used in home canning.
Origin of Mason jar
1880–85,
Americanism; named after John L.
Mason, 19th-century American who patented it in 1858
British Dictionary definitions for mason jar
mason jar
noun
US
an airtight glass jar for preserving food
Word Origin for mason jar
C20: named after its US inventor, John L.
Mason (1832–1902)