what is a serpent
The serpent, or snake, is one of the oldest and most widespread mythological symbols. The word is derived from Latin serpens, a crawling animal or snake. Snakes have been associated with some of the oldest rituals known to humankind and represent dual expression of good and evil.he serpent Hydra is a star constellation representing either the serpent thrown angrily into the sky by Apollo or the Lernaean Hydra as defeated by Heracles for one of his Twelve Labors. The constellation Serpens represents a snake being tamed by Ophiuchus the snake-handler, another constellation.