Definition of dragon :
1. A constellation of the northern hemisphere figured as a dragon; Draco.
2. A fabulous animal, generally represented as a monstrous winged serpent or lizard, with a crested head and enormous claws, and regarded as very powerful and ferocious.
3. A fabulous winged creature, sometimes borne as a charge in a coat of arms.
4. A fierce, violent person, esp. a woman.
5. A luminous exhalation from marshy grounds, seeming to move through the air as a winged serpent.
6. A short musket hooked to a swivel attached to a soldier's belt; - so called from a representation of a dragon's head at the muzzle.
7. A small arboreal lizard of the genus Draco, of several species, found in the East Indies and Southern Asia. Five or six of the hind ribs, on each side, are prolonged and covered with weblike skin, forming a sort of wing. These prolongations aid them in making long leaps from tree to tree. Called also flying lizard.
8. A variety of carrier pigeon.
evil spirit (part of speech: noun)
monster, ogre, archfiend, Satan, incubus, sylph, hell hound, gnome, demon, hellcat, nixie, hell-raiser, hobgoblin, imp, sprite, specter, hellion, freak, werewolf, vampire, goblin, beast, succubus, daemon, dwarf, devil, spirit, lamia, siren, ghoul, genie, nymph, fiend, satyr
- Here was a dragon, indeed, for small, warm birds. - "She Buildeth Her House", Will Comfort.
- Was this the arrival of a dragon, or Mother coming after them? - "A Prisoner in Fairyland", Algernon Blackwood.
- The sun, catching its wings, made it stand out against the blue sky like some fiery dragon- fly. - "32 Caliber", Donald McGibeny.