noun Etymology: Middle English, from Anglo-French dragun, from Latin dracon-, draco serpent, dragon, from Greek drakōn serpent; akin to Old English torht bright, Greek derkesthai to see, look at Date: 13th century 1. archaic a huge serpent 2. a mythical animal usually represented as a monstrous winged and scaly serpent or saurian with a crested head and enormous claws 3. a violent, combative, or very strict person 4. capitalized Draco 5. something or someone formidable or banefuldragonish adjective