Restharrow is a plant that belongs to the pea family. It is commonly used in herbal medicine to treat various ailments such as fever, skin problems, and kidney disorders. The plant is also known by several alternate names including Ononis arvensis, wild liquorice, and cammock. Other synonyms for restharrow include spiny restharrow, common restharrow, and hairy restharrow. In French, the plant is called "arrête-boeuf" which translates to "stop cow," as it was believed to have a calming effect on livestock. Restharrow is a versatile plant with a multitude of medicinal and cultural applications that have been used for centuries.