北回归线 běihuíguīxiàn Tropic of Cancer Definitions Defs Origin Strokes Stroke Words Sentences Sents 北 běi noun north north; the direction to the left when facing the rising sun; northern part of a country or region回归线 回歸線 huíguīxiàn tropic One of the two latitude lines on Earth representing the farthest north or south where the sun can be directly overhead; refers to the 北回归线 běihuíguīxiàn or the 南回归线 nánhuíguīxiàn.