(Canada, US) A glass jar with a screw top, often used for preserving food.

A potter wasp.

Any of the bees of the genus Osmia, which have the habit of making compartments of mud in their nests.

plural of mason wasp

(zoology) carrier shell (family Xenophoridae)

plural of mason shell

plural of Mason jar

plural of mason bee

of or relating to a conspiracy involving a secret coalition of Jews and Masons

A person who makes monumental masonry