dragon” can refer to 

a legendary mythical creature, a type of large lizard (the Komodo dragon), or a commercial product like Nuance’s Dragon speech recognition software. Mythical dragons are depicted differently across cultures, often as winged and fire-breathing in the West, or as wingless and serpentine in the East. In the real world, the Komodo dragon is a large, formidable lizard native to Indonesian islands. The “Dragon” brand name is also used for products like a SpaceX spacecraft and software for converting speech to text. 

Mythological creature

• In Western cultures: Often depicted as winged, horned, fire-breathing, scaly beasts with a reptilian or saurian appearance.
• In Eastern cultures: Typically portrayed as wingless, four-legged, serpentine creatures with high intelligence and is often considered a symbol of power, wisdom, and good fortune. 

Real-world animals

• Komodo dragon: A large, powerful lizard found in Indonesia, known for its size and ability to swallow huge chunks of meat.
• Agamid lizards: The term “dragon” can also refer to certain types of agamid lizards, like the genus Draco, which are known as “flying dragons” because of membranes on their sides that they use for gliding. 

Products and other uses

• Dragon speech recognition: A brand name for speech recognition software from Nuance, used to convert spoken words into text.
• Dragon spacecraft: A reusable, autonomous spacecraft developed by SpaceX for carrying cargo and crew to and from the International Space Station.
• Dragon (band): A New Zealand-based rock band formed in 1972.
• Dragon (magazine): A monthly role-playing game magazine published from 1976 to 1999.