Dragons are legendary creatures that appear in many cultures' mythologies, legends, and folktales. They are often depicted as large, lizard- or serpent-like creatures with scaly skin, sharp teeth, long claws, and a long tail.The word "dragon" comes from the Greek word drakōn, which was originally used to describe any large serpent. The word drakōn is likely an epithet that means "the (sharp-)sighted one".