The Qin dynasty (秦朝, 221–207 BC) was the first unified imperial dynasty of China. Qin Shi Huang standardized weights, measures, writing, and currency across China. The English word 'China' is believed to derive from 'Qin'.
culture
秦 also denotes the ancient state of Qin in the Warring States period, and is the short name for 陕西 (Shaanxi) province, the heartland of Qin civilization.