Rom. Myth. the sister and wife of Jupiter, queen of the gods, and goddess of marriage: identified with the Greek Hera
See Juno in American Heritage Dictionary 4
(jo͞oˈnō)
noun Roman Mythology
The principal goddess of the pantheon and the wife of Jupiter, worshiped as the goddess of women, marriage, childbirth and the moon, and as the protector of the state. She came to be identified with the Greek Hera.