Definition of "Dragon" :

noun: any of several small tropical Asian lizards capable of gliding by spreading winglike membranes on each side of the body

noun: a faint constellation twisting around the north celestial pole and lying between Ursa Major and Cepheus

noun: a creature of Teutonic mythology; usually represented as breathing fire and having a reptilian body and sometimes wings

noun: a fiercely vigilant and unpleasant woman