Chu3 - surname Chu/abbr. for Hubei 湖北省[Hu2 bei3 Sheng3] and Hunan 湖南省[Hu2 nan2 Sheng3] provinces together/Chinese kingdom during the Spring and Autumn and Warring States Periods (722-221 BC)
chu3 - distinct/clear/orderly/pain/suffering/deciduous bush used in Chinese medicine (genus Vitex)/punishment cane (old)