ˌPennsylvania ˈDutch, the noun [P]
a group of people living in the US state of Pennsylvania, who came from Germany in the 1600s and 1700s to find religious freedom, and still live in the style of that time. They wear very old-fashioned clothes like those worn in earlier times, and do not have cars or other modern machines. They are Protestants, and include the Amish and the Mennonites
—Pennysylvania Dutch adjective

[TahlilGaran] Dictionary of Contemporary English ▲