Kidd, William Syllabification: (Kidd, William)Pronunciation: /kid/Definition of Kidd, William (1645–1701), Scottish pirate; known as Captain Kidd. In 1699, he went to Boston in the hope of obtaining a pardon, but was arrested and later hanged in London. Kidd, William in other Oxford dictionaries Definition of Kidd, William in the British & World English dictionary