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

A city in Mason County, Illinois, United States. It was named after the county. / A city, the county seat of Cerro Gordo County, Iowa, United States.

One of 102 counties in Illinois, United States. County seat: Havana. Named after George Mason. / One of 120 counties in Kentucky, United States. County seat: Maysville. Also named after George Mason.