Synonyms: watershed, landmark, turning point
Definition: an event marking a unique or important historical change of course or one on which important developments depend
Usage: the agreement was a watershed in the history of both nations
Similar words: occasion, juncture
Definition: an event that occurs at a critical time
Usage: at such junctures he always had an impulse to leave; it was needed only on special occasions
Synonyms: catchment area, catchment basin, basin, drainage area, drainage basin, watershed, river basin
Definition: the entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet
Usage: flood control in the Missouri basin
Similar words: geographic area, geographic region, geographical area, geographical region
Definition: a demarcated area of the Earth
Synonyms: water parting, watershed, divide
Definition: a ridge of land that separates two adjacent river systems
Similar words: line
Definition: a spatial location defined by a real or imaginary unidimensional extent