纵线

纵线	zòng xiàn	vertical line / vertical coordinate line
纵	zòng	vertical; north-south (Taiwan pr. [zong1]) / from front to back; longitudinal; lengthwise (Taiwan pr. [zong1]) / military unit corresponding to an army corps (Taiwan pr. [zong1]) / (bound form) to release (a captive) / to indulge / to leap up / (literary) even if
线	xiàn	variant of 线
线	xiàn	thread / string / wire / line / CL:条,股,根 / (after a number) tier (unofficial ranking of a Chinese city)