watershed   (Sound)

The watershed has 3 Senses.

• watershed, divide, water parting
• 分水界
• a ridge of land that separates two adjacent river systems
• 隣接する2つの河川系を分ける陸の尾根

• catchment basin, catchment area, watershed, river basin, basin, drainage basin, drainage area
• 盆地, 流域面積, 流域
• the entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet; "flood control in the Missouri basin"
• 川やその支流に排水される、地理上の領域全体

• landmark, turning point, watershed
• 分水嶺, 転機
• an event marking a unique or important historical change of course or one on which important developments depend; "the agreement was a watershed in the history of both nations"
• 独特なことの印となる出来事、重要で歴史的な方向転換、または、重要な発展がかかっていること