watershed
/ˈwɔːθɛʃd/Definitions
1. noun
A geographical area that forms a boundary between two drainage basins, or a point of change in a system or process.
“The construction of a new dam marked a crucial watershed in the region’s water management.”
2. noun
An important or decisive event, stage, or point in a process or period of time.
“The company’s decision to expand into new markets was a watershed moment in its history.”
3. verb
To mark or be a turning point in a system or process.
“The new policy will help to watershed the way companies approach environmental issues.”
4. verb
To divide or separate an area into different drainage basins.
“The engineers worked to watershed the land to prevent flooding.”