(1):

(n.) Same as Scarabaeus.

(2):

(n.) Any one of numerous species of lamellicorn beetles of the genus Scarabaeus, or family Scarabaeidae, especially the sacred, or Egyptian, species (Scarabaeus sacer, and S. Egyptiorum).

(3):

(n.) A stylized representation of a scarab beetle in stone or faience; - a symbol of resurrection, used by the ancient Egyptians as an ornament or a talisman, and in modern times used in jewelry, usually by engraving designs on cabuchon stones. Also used attributively; as, a scarab bracelet [a bracelet containing scarabs]; a scarab [the carved stone itelf].