Definitions of Diana:

• noun:   (Roman mythology) virgin goddess of the hunt and the moon; counterpart of Greek Artemis
• noun:   English aristocrat who was the first wife of Prince Charles; her death in an automobile accident in Paris produced intense national mourning (1961-1997)
• name:  A female given name (very common: 1 in 462 females; popularity rank in the U.S.: #96)
• name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #11567)