Changan noun2 •(nonstandard) Alternative form of Chang'an, a district and former county of Xi'an, Shaanxi Province, China. •(nonstandard, historical) Alternative spelling of Chang'an, former name of Xi'an: a city, the former capital of China.On the streets of Changan, the capital city of the Han Dynasty, there were many pork shops, wine shops and restaurants selling cooked meats and drinks. — 1977
