thalweg thalthan • thameng · · · Info · Definitions · Characters · · thalweg · · Text Latin · · Script 7 · · Length 2 · · Syllables Definitions · · · (noun) the middle of the chief navigable channel of a waterway that forms the boundary line between states. · · Noun Definition 1 (noun) a line following the lowest points of a valley. · · Noun Definition 2 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 l latin small letter l U+006C t latin small letter t U+0074 w latin small letter w U+0077