Drag·on (dr?g??n)n. See Draco2.drag·on (dr?g??n)n.1. A mythical monster traditionally represented as a gigantic reptile having a long tail, sharp claws, scaly skin, and often wings.2. Any of various lizards, such as the Komodo dragon or the flying lizard.3. a. A fiercely vigilant or intractable person.b. Something very formidable or dangerous.4. Archaic A large snake or serpent.[Middle English, from Old French, from Latin drac?, drac?n-, large serpent, from Greek drak?n; see derk- in Indo-European roots.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.dragon (?dræ??n) n1. a mythical monster usually represented as breathing fire and having a scaly reptilian body, wings, claws, and a long tail2. informal a fierce or intractable person, esp a woman3. (Animals) any of various very large lizards, esp the Komodo dragon4. (Plants) any of various North American aroid plants, esp the green dragon5. (Ecclesiastical Terms) Christianity a manifestation of Satan or an attendant devil6. (Sailing) a yacht of the International Dragon Class, 8.88m long (29.2 feet), used in racing7. (Recreational Drugs) chase the dragon slang to smoke opium or heroin[C13: from Old French, from Latin drac?, from Greek drak?n; related to drakos eye] ?dragoness fem n ?dragonish adjCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014drag?on (?dræg ?n) n. 1. a mythical monster generally represented as a huge winged reptile with a crested head, often spouting fire. 2. a fierce, combative person. 3. a very strict, protective woman. 4. flying dragon. 5. a short musket of the 16th and 17th centuries. 6. a soldier armed with such a musket. 7. (cap.) the constellation Draco. 8. Archaic. a huge serpent or snake. [1175?1225; Middle English