中线 zhōngxiàn center line Origin Definitions Defs Strokes Stroke Words Sentences Sents zhōngxiàn center line 中 zhōng locative middle middle; center; within; among; inside a range or period of time线 線 xiàn noun boundary boundary; demarcation line; frontline; verge; brinkzhōngxiàn median 中 zhōng locative middle middle; center; within; among; inside a range or period of time线 線 xiàn noun line (geometry) (geometry) the figure formed by a moving point