堼 - Definition:
1. A character used in place names.
Example: In "Taiping Guangji," volume 425, it quotes from Song Dynasty's Sun Guangxian's "Beimeng Suoyan: Mistakenly Killing An Tiansong": "During the Tongguang period of the Later Tang, the people of Cangzhou suffered from taxation, and moved close to the border to a place called 堼店 (Chudian)." 堼店 is located in the present-day Qiyang County, Hunan Province.
2. A character used in place names.