楚 chǔ distinctclearorderlypainsufferingdeciduous bush used in Chinese medicine (genus Vitex)punishment cane (old)surname Chuabbr. for Hubei 湖北省 Hú běi Shěng and Hunan 湖南省 Hú nán Shěng provinces togetherChinese kingdom during the Spring and Autumn and Warring States Periods (722-221 BC)