Thalweg

The line down the center of the main CHANNEL of a stream.
Found on http://www.ecy.wa.gov/programs/sea/swces/products/glossary.htm

thalweg

[n] - the middle of the chief navigable channel of a waterway that forms the boundary line between states 2. [n] - a line following the lowest points of a valley
Found on http://www.webdictionary.co.uk/definition.php?query=thalweg

Thalweg

Thal'weg` noun [ G., from thal valley + weg way. See Dale ; Way .] (Physiography) (a) A line following the lowest part of a valley, whether under water or not. (b) The line of continuous maximum descent from any point on a land surface, or tha...
Found on http://www.encyclo.co.uk/webster/T/37

thalweg

noun a line following the lowest points of a valley
Found on http://wordnetweb.princeton.edu/perl/webwn?s=thalweg

Thalweg

• (n.) The line of continuous maximum descent from any point on a land surface, or that cutting all contours and angles. • (n.) A line following the lowest part of a valley, whether under water or not.
Found on http://thinkexist.com/dictionary/meaning/thalweg/

Thalweg

Thalweg is a term of German origin signifying the lowest contour line of a valley, and therefore the natural direction of a stream or dried watercourse.
Found on http://www.probertencyclopaedia.com/browse/AT.HTM

Thalweg

Line of deepest water in a stream channel as seen from above. Normally associated with the zone of greatest velocity in the stream.
Found on http://www.physicalgeography.net/physgeoglos/t.html

Thalweg

In geography and fluvial geomorphology, a thalweg or talweg (ɡ) is the line of lowest elevation within a valley or watercourse. Under international law, thalwegs can acquire special significance because disputed river borders are often deemed to run along the river`s thalweg. The word thalweg is of Germanic origin and literally means `valley co.....
Found on http://en.wikipedia.org/wiki/Thalweg

Thalweg

(1) The lowest thread along the axial part of a valley or stream channel. (2) A subsurface, ground-water stream percolating beneath and in the general direction of a surface stream course or valley. (3) The middle, chief, or deepest part of a navigable channel or waterway.
Found on http://www.encyclo.co.uk/local/21804

thalweg

A sinuous imaginary line following the deepest part of a stream.
Found on http://www.scientificpsychic.com/etc/geology-glossary.html

Thalweg

A sinuous imaginary line following the deepest part of a stream.
Found on http://www.encyclo.co.uk/local/22392

thalweg

middle of navigable waterway used as boundary line
Found on http://phrontistery.info/t.html
No exact match found