Pronunciation: (dī-an'u),[key] —n. 1. (Princess of Wales)(Lady Diana Spencer), 1961-1997, wife of Charles, Prince of Wales.
2. an ancient Roman deity, virgin goddess of the moon and of hunting, and protector of women, identified by the Romans with the Greek Artemis.
3. the moon personified as a goddess.
4. Also,Di•anePronunciation: (dī-an').[key]a female given name.