trundletail

Noun

 * 1)  A dog with a rounded, curled-up tail.
 * 2) * 15th century,, Hawking, Hunting, Fouling and Fishing, London: Adam Islip, 1596, “The names of diuers Hounds,”
 * Trindle tailes, and pricke eared Curres, and small Ladie Puppies, that beare away the fleas and diuers small faults.