AaronJosephCompany/Flickr. Definition: A clad coin is one that has multiple layers of metal in it; most current U.S. clad coins consist of an inner core of copper, with outer layers of a silver-colored nickel-copper alloy.
Cuban heel(noun) a broad heel of medium height on women's shoes. Cuban heel(Noun) A relatively low-style of high heel shoes, characterised by a slightly tapered back and a straight front. Cuban heel(Noun) A type of heel used for men's boots similar to the heel on cowboy boots. Cuban heel(Noun) Women's sheer stockings or pantyhose with a prominent thin rectangle heel reinforcement at the base of back seam (A thick rectangle heel reinforcement is a Havana Heel)
Somehow, these terms evolved until the nickname Tar Heel was used to refer to residents of North Carolina and gained prominence during the American Civil War. During this time, the nickname Tar Heel was a pejorative, but starting around 1865, the term began to be used as a source of pride. In 1893, the students of the University of North Carolina founded a newspaper and named it The Tar Heel, which was later renamed The Daily Tar Heel.