Definition of 分水線 (ぶんすいせん)
ぶんすいせん
                        分水線
ぶんすいせん
bunsuisen
noun
•
        
watershed, divide
Related Kanji
| 分 | part, minute of time, segment, share, degree, one's lot, duty, understand, know, rate, 1%, chances, shaku/100 | 
| 水 | water | 
| 線 | line, track |