Wicca Syllabification: (Wic·ca)Pronunciation: /ˈwikə/Definition of Wicca noun the religious cult of modern witchcraft, especially an initiatory tradition founded in England in the mid 20th century and claiming its origins in pre-Christian pagan religions. Derivatives Wiccan adjective & noun Origin:representing Old English wicca 'witch'Wicca in other Oxford dictionaries Definition of Wicca in the British & World English dictionary