Wadjet was an ancient Egyptian goddess who was the protector of Lower Egypt, the Nile Delta, and the kings of Egypt:
Form:
Wadjet was often depicted as a cobra, which symbolized royalty and sovereignty. She could also take the form of a lioness.
Name:
Wadjet's name means "the Green One."
Role:
Wadjet was the nurse to the infant sun god Horus, and protected him and his mother Isis from Set, Horus' uncle.
Worship:
Wadjet was worshipped at the Temple of Wadjet, also known as "Pe-Dep." Festivals were held in her honor on the 10th day of "rh-wr" (Mekhir), the 7th day of "khnty-khty" (Payni), and the 8th day of "Wpt-rnpt" (Mesori).
Symbolism:
Wadjet was sometimes represented together with Nekhbet, the vulture-goddess of Upper Egypt, on the king's diadem. This symbolized his reign over all of Egypt.