Bona Dea (the good goddess), a Roman goddess of fertility, worshipped by women; her priests vestals and her worship by rites from which men were excluded. Her symbol was a serpent, but the name under which she was worshipped is not known.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Bona * Bonald, Vicomte de