Wyvern
Part of speech: noun
Definition: Mythical dragon-like creature, having wings, only two legs and a barbed tail.
Dragon
Part of speech: noun
Definition: A legendary, serpentine or reptilian creature.# (Western) A gigantic beast, typically reptilian with leathery bat-like wings, lion-like claws, scaly skin and a serpent-like tail, often a monster with fiery breath.#* c.1900 — Edith Nesbit, The Last of the Dragons#*: But as every well-brought-up prince was expected to kill a dragon, and rescue a princess, the dragons grew fewer and fewer till it was often quite hard for a princess to find a dragon to be rescued from.# (Eastern) A large, snake-like lizard with the eyes of a hare, the horns of a stag and the claws of a tiger, usually benefic#* 1913 — Sax Rohmer, The Insidious Dr. Fu Manchu, ch XIII#*: These tapestries were magnificently figured with golden dragons; and as the serpentine bodies gleamed and shimmered in the increasing radiance, each dragon, I thought, intertwined its glittering coils more closely with those of another.Certain animal species which resemble a dragon in appearance:# A very large snake; a python.# A lizard of the genus Draco.# The Komodo dragon.The constellation Draco.An unpleasant woman; a harridan.(absolute use, often capitalized: "the Dragon") The nickname for the Chinese empire and People's Republic of China(figuratively) Something very formidable or dangerous.
Example sentence: The re-use of a Dragon capsule is yet another example of how SpaceX uses cargo flights to prove out new technologies that can be later used on crewed flights, and is a key step toward a commercial return to the Moon.