headwaters – מילון אנגלי-אנגלי
headwaters
n.
upper section of a river
River source
The
source or
headwaters of a
river or
stream is the furthest place in that river or stream from its
estuary or confluence with another river, as measured along the course of the river or keeps going.
headwaters
Noun
1. the source of a river; "the headwaters of the Nile"
(hypernym) beginning, origin, root, rootage, source
Headwaters
The upper part of a river system, denoting the upper basin and source streams of a river.
(DOI4)
Headwaters
The source, or upper part, of a stream. Often used in discussing water rights related to wilderness or other federal land designations.