n. In classical antiquities and in the New Testament, a soothsaying spirit or demon; hence, also, a person possessed by such a spirit; especially, a ventriloquist.n. [lowercase] Any very large serpent, as a rock-snake: loosely used, like boa and anaconda, but properly applicable only to the large Old World non-venomous serpents of the family Pythonidæ.n. The typical genus of Pythonidæ: formerly conterminous with the family, now restricted to species having premaxillary teeth, labial plates of both jaws fossate, and scuta extending to between the orbits.n.