吴楚

southern states of Wu and Chu / the middle and lower Yangtze valley

surname Wu / area comprising southern Jiangsu, northern Zhejiang and Shanghai / name of states in Southern China at different historical periods

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)

distinct / clear / orderly / pain / suffering / deciduous bush used in Chinese medicine (genus Vitex) / punishment cane (old)

the sky hangs low over the Yangtze, empty as far as the eye can see (idiom); nothing to see to the broad horizon