n. 1 Geog. a line where opposite slopes meet at the bottom of a valley, river, or lake. 2 Law a boundary between States along the centre of a river etc.
[ G f. Thal valley + Weg way ]
THALWEG
Meaning of THALWEG in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012