（1） The name of an ancient Chinese kingdom: （a） during the Spring and Autumn period， Wu was a powerful kingdom which was defeated by the Yüeh kingdom; （b） the most easterly of the Three Kingdoms （CE 229-280） approximately comprising Chekiang. （2） Clamorous， noisy; to bawl. （3） A common Korean and Chinese surname. （3） The Japanese pronunciation of a Chinese ideograph which is derived from its original Chinese wu pronunciation， rather than Han （汉） pronunciation. Many Buddhist words use this pronunciation.