Word: 禹 (yǔ) 禹 dictionary entry yǔ Yu the Great (c. 21st century BC), mythical leader who tamed the floods; surname Yu Full dictionary entry for 禹 Example sentences using 禹 2 sentences, showing page 1 of 1. 传说中，禹是夏朝的建立者。 Chuánshuō zhōng, yǔ shì xiàcháo de jiànlìzhě. According to legend, Yu was the founder of the Xia dynasty. 禹花了十三年治水。 Yǔ huāle shísān nián zhìshuǐ. Yu spent thirteen years controlling the floods.