澴 (huán)
1. [Noun] The name of a river, specifically the Huanshui River, located in Hubei Province, China. It originates in the southern part of Xinyang, Henan Province, flows south through cities and counties including Yingshan and Xiaogan in Hubei Province, and enters the Yangtze River in Wuhan City.
2. [Adjective] Describes the appearance of water swirling and surging. For example: 澴波 (huán bō) - surging waves; 澴流 (huán liú) - swirling flowing water; 澴潆 (huán yíng) - swirling appearance.